Infantry units

• 7th Illinois Volunteer Infantry Regiment (3 Months)
  7th Illinois Volunteer Infantry Regiment (3 Months)
  The 7th Regiment Illinois Volunteer Infantry was an infantry regimentthat served in the Union Army during the American Civil War.-Service:The 7th Illinois Infantry was mustered at Camp Yates, Illinois on April 25, 1861...
  
  
• 7th Illinois Volunteer Infantry Regiment (3 Years)
• 8th Illinois Volunteer Infantry Regiment (3 Months)
  8th Illinois Volunteer Infantry Regiment (3 Months)
  The 8th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 8th Illinois Infantry was mustered at Springfield, Illinois on April 25, 1861...
  
  
• 8th Illinois Volunteer Infantry Regiment (3 Years)
  8th Illinois Volunteer Infantry Regiment (3 Years)
  The 8th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 9th Illinois Volunteer Infantry Regiment (3 Months)
  9th Illinois Volunteer Infantry Regiment (3 Months)
  The 9th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 9th Illinois Infantry was organized at Springfield, Illinois and mustered into Federal service on April 26, 1861 for a three month enlistment.The regiment...
  
  
• 9th Illinois Volunteer Infantry Regiment (3 Years)
  9th Illinois Volunteer Infantry Regiment (3 Years)
  The 9th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 9th Illinois Infantry was organized at Cairo, Illinois and mustered into Federal service between July 26 and August 31, 1861 for a three year...
  
  
• 9th Illinois Volunteer Mounted Infantry Regiment
• 10th Illinois Volunteer Infantry Regiment (3 Month)
  10th Illinois Volunteer Infantry Regiment (3 Month)
  The 10th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 10th Illinois Infantry was mustered into state service at Dixon, Illinois on April 21, 1861 and mustered into Federal service on May 24, 1861 for a three...
  
  
• 10th Illinois Volunteer Infantry Regiment (3 Year)
  10th Illinois Volunteer Infantry Regiment (3 Year)
  The 10th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 10th Illinois Infantry was mustered into state service at Dixon, Illinois on April 21, 1861 and mustered into Federal service on May 24, 1861 for a three...
  
  
• 11th Illinois Volunteer Infantry Regiment (3 Month)
  11th Illinois Volunteer Infantry Regiment (3 Month)
  The 11th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 11th Illinois Volunteer Infantry Regiment (3 Year)
  11th Illinois Volunteer Infantry Regiment (3 Year)
  The 11th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 11th Illinois Infantry was mustered into Federal service for a three year enlistment on July 30, 1861 at Cairo, Illinois...
  
  
• 12th Illinois Volunteer Infantry Regiment (3 Month)
  12th Illinois Volunteer Infantry Regiment (3 Month)
  The 12th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The (First) Scotch Regiment
• 12th Illinois Volunteer Infantry Regiment (3 Year)
  12th Illinois Volunteer Infantry Regiment (3 Year)
  The 12th Regiment Illinois Volunteer Infantry, known as the "1st Scotch Regiment," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The (First) Scotch Regiment
• 13th Illinois Volunteer Infantry Regiment
  13th Illinois Volunteer Infantry Regiment
  The 13th Regiment Illinois Volunteer Infantry, nicknamed "Fremont's Grey Hounds," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 14th Illinois Volunteer Infantry Regiment
  14th Illinois Volunteer Infantry Regiment
  The 14th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 14th Illinois Infantry was mustered into Federal service for a three year enlistment on May 25, 1861, at Jacksonville, Illinois.The regiment was...
  
  
• 15th Illinois Volunteer Infantry Regiment
  15th Illinois Volunteer Infantry Regiment
  The 15th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 15th Illinois Infantry was mustered at Freeport, Illinois on April 25, 1861....
  
  
• 16th Illinois Volunteer Infantry Regiment
  16th Illinois Volunteer Infantry Regiment
  The 16th Regiment Illinois Volunteer Infantry, nicknamed "The Twins" for its long association with the 10th Illinois, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 17th Illinois Volunteer Infantry Regiment
  17th Illinois Volunteer Infantry Regiment
  The 17th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 17th Illinois Infantry was organized at Peoria, Illinois and mustered into Federal service on May 24, 1861 for three years service.The regiment was...
  
  
• 18th Illinois Volunteer Infantry Regiment
  18th Illinois Volunteer Infantry Regiment
  The 18th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 18th Illinois Infantry was organized at Aurora, Illinois and mustered into Federal service on May 28, 1861 for a three year enlistment.The regiment was...
  
  
• 19th Illinois Volunteer Infantry Regiment
  19th Illinois Volunteer Infantry Regiment
  The 19th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 19th Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on June 17, 1861 for a three year enlistment.The regiment was...
  
  
• 20th Illinois Volunteer Infantry Regiment
  20th Illinois Volunteer Infantry Regiment
  The 20th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 20th Illinois Infantry was organized at Joliet, Illinois and mustered into Federal service on June 13, 1861 for a three year enlistment.The regiment was...
  
  
• 21st Illinois Volunteer Infantry Regiment
  21st Illinois Volunteer Infantry Regiment
  The 21st Regiment Illinois Volunteer Infantry was a militia infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 22nd Illinois Volunteer Infantry Regiment
  22nd Illinois Volunteer Infantry Regiment
  The 22nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 22nd Illinois Infantry was organized at Belleville, Illinois and mustered into Federal service on June 25, 1861....
  
  
• 23rd Illinois Volunteer Infantry Regiment
  23rd Illinois Volunteer Infantry Regiment
  The 23rd Regiment Illinois Volunteer Infantry, known as the "First Irish" or "Irish 'Brigade'", was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The Irish 'Brigade' aka "The First Irish"
• 24th Illinois Volunteer Infantry Regiment
  24th Illinois Volunteer Infantry Regiment
  The 24th Regiment Illinois Volunteer Infantry, also known as the 1st Hecker Jaeger Regiment, was an infantry regiment that served in the Union Army during the American Civil War. It was made up almost exclusively of German and Hungarian immigrants...
  
   - (First) Hecker Regiment
• 25th Illinois Volunteer Infantry Regiment
  25th Illinois Volunteer Infantry Regiment
  The 25th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 25th Illinois Infantry was organized at Saint Louis, Missouri and mustered into Federal service on August 4, 1861....
  
  
• 26th Illinois Volunteer Infantry Regiment
  26th Illinois Volunteer Infantry Regiment
  The 26th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 26th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on August 31, 1861....
  
  
• 27th Illinois Volunteer Infantry Regiment
  27th Illinois Volunteer Infantry Regiment
  The 27th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 27th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on August 10, 1861....
  
  
• 28th Illinois Volunteer Infantry Regiment
  28th Illinois Volunteer Infantry Regiment
  The 28th Regiment Illinois Volunteer Infantry was an infantry regiment thatserved in the Union Army during the American Civil War.-Service:The 28th Illinois Infantry was organized at Camp Butler, Illinois and mustered into...
  
  
• 29th Illinois Volunteer Infantry Regiment
  29th Illinois Volunteer Infantry Regiment
  The 29th Regiment Illinois Volunteer Infantry was an infantry regiment thatserved in the Union Army during the American Civil War.-Service:The 29th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on August 15, 1861.The regiment was mustered out on November...
  
  
• 29th United States Colored Infantry
• 30th Illinois Volunteer Infantry Regiment
  30th Illinois Volunteer Infantry Regiment
  The 30th Regiment Illinois Volunteer Infantry was an infantry regiment thatserved in the Union Army during the American Civil War.-Service:The 30th Illinois Infantry was organized at Camp Butler, Illinois and mustered into...
  
  
• 31st Illinois Volunteer Infantry Regiment
  31st Illinois Volunteer Infantry Regiment
  The 31st Regiment Illinois Volunteer Infantry, nicknamed the "Dirty-First," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 32nd Illinois Volunteer Infantry Regiment
  32nd Illinois Volunteer Infantry Regiment
  The 32nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 32nd Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on December 31, 1861.The regiment was mustered out on...
  
  
• 33rd Illinois Volunteer Infantry Regiment
  33rd Illinois Volunteer Infantry Regiment
  The 33rd Regiment Illinois Volunteer Infantry, nicknamed the "Brains Regiment" or the "Normal Regiment," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The Normal Regiment
• 34th Illinois Volunteer Infantry Regiment
  34th Illinois Volunteer Infantry Regiment
  The 34th Regiment Illinois Volunteer Infantry, known as the "Rock River Rifles," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The Red River Rifles
• 35th Illinois Volunteer Infantry Regiment
  35th Illinois Volunteer Infantry Regiment
  The 35th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 35th Illinois Infantry was organized at Decatur, Illinois and mustered into Federal service on July 3, 1861 for three years service. Its organizer and...
  
  
• 36th Illinois Volunteer Infantry Regiment
  36th Illinois Volunteer Infantry Regiment
  The 36th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 36th Illinois Infantry was organized at Camp Hammond at Montgomery, Illinois, just south of Aurora, and mustered into Federal service on September 23, 1861...
  
   - The Fox River Regiment
• 37th Illinois Volunteer Infantry Regiment
  37th Illinois Volunteer Infantry Regiment
  The 37th Regiment Illinois Volunteer Infantry, nicknamed the "Fremont Rifles" and "Illinois Greyhounds", was an infantry regiment that served in the Union Army during the American Civil War.-Organization:...
  
   - The Fremont Rifles or Illinois Greyhounds
• 38th Illinois Volunteer Infantry Regiment
  38th Illinois Volunteer Infantry Regiment
  The 38th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 38th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on August 15, 1861 for three years service.The regiment was...
  
  
• 39th Illinois Volunteer Infantry Regiment
  39th Illinois Volunteer Infantry Regiment
  The 39th Regiment Illinois Volunteer Infantry, nicknamed "Yates' Phalanx," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - Yates' Phalanx
• 40th Illinois Volunteer Infantry Regiment
  40th Illinois Volunteer Infantry Regiment
  The 40th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 40th Illinois Infantry was organized at Springfield, Illinois and mustered into Federal service on August 10, 1861....
  
  
• 41st Illinois Volunteer Infantry Regiment
  41st Illinois Volunteer Infantry Regiment
  The 41st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 41st Illinois Infantry was organized at Decatur, Illinois and mustered into Federal service on August 5, 1861....
  
  
• 42nd Illinois Volunteer Infantry Regiment
  42nd Illinois Volunteer Infantry Regiment
  The 42nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 42nd Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on July 22, 1861....
  
   - First Douglas Regt
• 43rd Illinois Volunteer Infantry Regiment
  43rd Illinois Volunteer Infantry Regiment
  The 43rd Regiment Illinois Volunteer Infantry, known as the "Koerner Regiment", was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - Koerner Regiment
• 44th Illinois Volunteer Infantry Regiment
  44th Illinois Volunteer Infantry Regiment
  The 44th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 44th Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on September 25, 1861....
  
   - Northwestern Rifles
• 45th Illinois Volunteer Infantry Regiment
  45th Illinois Volunteer Infantry Regiment
  The 45th Regiment Illinois Volunteer Infantry, the "Washburn Lead Mine Regiment", was an infantry regiment that served in the Union Army during the American Civil War. It perticipated in many of the leading campaigns in the Western Theater.-Service:...
  
   - Washburn Lead Mine Regiment
• 46th Illinois Volunteer Infantry Regiment
  46th Illinois Volunteer Infantry Regiment
  The 46th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 46th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on December 28, 1861.The regiment was mustered out on...
  
  
• 47th Illinois Volunteer Infantry Regiment
  47th Illinois Volunteer Infantry Regiment
  The 47th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 47th Illinois Infantry was organized at Peoria, Illinois and mustered into Federal service on August 16, 1861....
  
  
• 48th Illinois Volunteer Infantry Regiment
  48th Illinois Volunteer Infantry Regiment
  The 48th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 48th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service in September, 1861.The regiment was mustered out on August...
  
  
• 49th Illinois Volunteer Infantry Regiment
  49th Illinois Volunteer Infantry Regiment
  The 49th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 49th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on 31 December 1861.The regiment was mustered out on...
  
  
• 50th Illinois Volunteer Infantry Regiment
  50th Illinois Volunteer Infantry Regiment
  The 50th Regiment Illinois Volunteer Infantry, nicknamed the "Blind Half-Hundred," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - Blind Half-Hundred
• 51st Illinois Volunteer Infantry Regiment
  51st Illinois Volunteer Infantry Regiment
  The 51st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 51st Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on December 24, 1861....
  
   - Chicago Legion
• 52nd Illinois Volunteer Infantry Regiment
  52nd Illinois Volunteer Infantry Regiment
  The 52nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 52nd Illinois Infantry was organized at Geneva, Illinois and mustered into Federal service on November 19, 1861....
  
  
• 53rd Illinois Volunteer Infantry Regiment
  53rd Illinois Volunteer Infantry Regiment
  The 53rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 53rd Illinois Infantry was organized at Ottawa, Illinois and mustered into Federal service in January, 1862....
  
  
• 54th Illinois Volunteer Infantry Regiment
  54th Illinois Volunteer Infantry Regiment
  The 54th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 54th Illinois Infantry was organized at Anna, Illinois and mustered into Federal service in February, 1862....
  
  
• 55th Illinois Volunteer Infantry Regiment
  55th Illinois Volunteer Infantry Regiment
  The 55th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. The regiment is sometimes referred to as the Canton Rifles or the Douglas Brigade 2nd Regiment.-Service:...
  
   - Canton Rifles
• 56th Illinois Volunteer Infantry Regiment
  56th Illinois Volunteer Infantry Regiment
  The 56th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 56th Illinois Infantry was organized at Shawneetown, Illinois and mustered into Federal service on February 27, 1862.The regiment was mustered out on...
  
  
• 57th Illinois Volunteer Infantry Regiment
  57th Illinois Volunteer Infantry Regiment
  The 57th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 57th Illinois Infantry was organized at Shawneetown, Illinois, and mustered into Federal service on December 26, 1861.The regiment was mustered out on July...
  
   - National Guards
• 58th Illinois Volunteer Infantry Regiment
  58th Illinois Volunteer Infantry Regiment
  The 58th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 58th Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on December 26, 1861....
  
   - Lyon Color Guard
• 59th Illinois Volunteer Infantry Regiment
  59th Illinois Volunteer Infantry Regiment
  The 59th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 59th Illinois Infantry was originally organized as the 9th Missouri Volunteer Infantry Regiment at Saint Louis, Missouri and mustered into Federal service...
  
   (Formerly the 9th Missouri Volunteers)
• 60th Illinois Volunteer Infantry Regiment
  60th Illinois Volunteer Infantry Regiment
  The 60th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 60th Illinois Infantry was originally organized at Anna, Illinois and mustered into Federal service on February 17, 1862.The regiment was mustered out on...
  
  
• 61st Illinois Volunteer Infantry Regiment
  61st Illinois Volunteer Infantry Regiment
  The 61st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 61st Illinois Infantry was originally organized at Carrollton, Illinois and mustered into Federal service on February 5, 1862.The regiment was mustered out...
  
  
• 62nd Illinois Volunteer Infantry Regiment
  62nd Illinois Volunteer Infantry Regiment
  The 62nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 63rd Illinois Volunteer Infantry Regiment
  63rd Illinois Volunteer Infantry Regiment
  The 63rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:63rd Regiment Illinois was organized at Anna, Illinois and mustered into Federal service on April 10, 1862....
  
  
• 64th Illinois Volunteer Infantry Regiment
  64th Illinois Volunteer Infantry Regiment
  The 64th Regiment Illinois Volunteer Infantry, nicknamed "Yates' Sharpshooters" was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - Yates Sharpshooters
• 65th Illinois Volunteer Infantry Regiment
  65th Illinois Volunteer Infantry Regiment
  The 65th Regiment Illinois Volunteer Infantry, nicknamed the "Second Scotch Regiment" was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The Highlanders, The Highland Regt, The 2nd Scotch Regiment
• 66th Illinois Veteran Volunteer Infantry (Western Sharpshooters)
  66th Illinois Volunteer Infantry Regiment
  The 66th Illinois Veteran Volunteer Infantry Regiment originally known as "Birge's Western Sharpshooters" and later as the "Western Sharpshooters-14th Missouri Volunteers", was a specialized regiment of infantry sharpshooters that served in the Union Army during the American Civil War.-...
  
  
• 67th Illinois Volunteer Infantry Regiment
  67th Illinois Volunteer Infantry Regiment
  The 67th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 3 Month Regiment
• 68th Illinois Volunteer Infantry Regiment
  68th Illinois Volunteer Infantry Regiment
  The 68th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 3 Month Regiment
• 69th Illinois Volunteer Infantry Regiment
  69th Illinois Volunteer Infantry Regiment
  The 69th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 3 Month Regiment
• 70th Illinois Volunteer Infantry Regiment
  70th Illinois Volunteer Infantry Regiment
  The 70th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 3 Month Regiment
• 71st Illinois Volunteer Infantry Regiment
  71st Illinois Volunteer Infantry Regiment
  The 71st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 3 Month Regiment
• 72nd Illinois Volunteer Infantry Regiment
  72nd Illinois Volunteer Infantry Regiment
  The 72nd Regiment Illinois Volunteer Infantry, known as the "First Chicago Board of Trade Regiment" was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 1st Chicago Board of Trade Regiment
• 73rd Illinois Volunteer Infantry Regiment
  73rd Illinois Volunteer Infantry Regiment
  The 73rd Regiment Illinois Volunteer Infantry, known as the "Persimmon Regiment" or the "Preacher's Regiment" was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - Persimmon Regiment or Preacher's Regiment
• 74th Illinois Volunteer Infantry Regiment
  74th Illinois Volunteer Infantry Regiment
  The 74th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:74th Regiment Illinois was organized at Rockford, Illinois and mustered into Federal service on September 4, 1862....
  
  
• 75th Illinois Volunteer Infantry Regiment
  75th Illinois Volunteer Infantry Regiment
  The 75th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:75th Regiment Illinois was organized at Dixon, Illinois and mustered into Federal service on September 2, 1862....
  
  
• 76th Illinois Volunteer Infantry Regiment
  76th Illinois Volunteer Infantry Regiment
  The 76th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:76th Regiment Illinois was organized at Kankakee, Illinois and mustered into Federal service on August 22, 1862....
  
  
• 77th Illinois Volunteer Infantry Regiment
  77th Illinois Volunteer Infantry Regiment
  The 77th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:77th Regiment Illinois was organized at Peoria, Illinois and mustered into Federal service on September 3, 1862....
  
  
• 78th Illinois Volunteer Infantry Regiment
  78th Illinois Volunteer Infantry Regiment
  The 78th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:78th Regiment Illinois was organized at Quincy, Illinois and mustered into Federal service on September 1, 1862....
  
  
• 79th Illinois Volunteer Infantry Regiment
  79th Illinois Volunteer Infantry Regiment
  The 79th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 79th Illinois Infantry was organized at Mattoon, Illinois and mustered into Federal service on August 28, 1862....
  
  
• 80th Illinois Volunteer Infantry Regiment
  80th Illinois Volunteer Infantry Regiment
  The 80th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 80th Illinois Infantry was organized at Centralia, Illinois and mustered into Federal service on August 25, 1862....
  
  
• 81st Illinois Volunteer Infantry Regiment
  81st Illinois Volunteer Infantry Regiment
  The 81st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 81st Illinois Infantry was organized at Anna, Illinois and mustered into Federal service on August 21, 1862....
  
  
• 82nd Illinois Volunteer Infantry Regiment
  82nd Illinois Volunteer Infantry Regiment
  The 82nd Regiment Illinois Volunteer Infantry, known as the "2nd Hecker Regiment," was an infantry regiment that served in the Union Army during the American Civil War. It was one of the three "German" regiments furnished to the Union by Illinois...
  
   - Second Hecker Regiment
• 83rd Illinois Volunteer Infantry Regiment
  83rd Illinois Volunteer Infantry Regiment
  The 83rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 83rd Illinois Infantry was organized at Monmouth, Illinois and mustered into Federal service on August 21, 1862....
  
  
• 84th Illinois Volunteer Infantry Regiment
  84th Illinois Volunteer Infantry Regiment
  The 84th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 84th Illinois Infantry was organized at Quincy, Illinois and mustered into Federal service on September 1, 1862....
  
  
• 85th Illinois Volunteer Infantry Regiment
  85th Illinois Volunteer Infantry Regiment
  The 85th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 85th Illinois Infantry was organized at Peoria, Illinois and mustered into Federal service on August 27, 1862....
  
  
• 86th Illinois Volunteer Infantry Regiment
  86th Illinois Volunteer Infantry Regiment
  The 86th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 86th Illinois Infantry was organized at Peoria, Illinois and mustered into Federal service on August 27, 1862....
  
  
• 87th Illinois Volunteer Infantry Regiment
  87th Illinois Volunteer Infantry Regiment
  The 87th Regiment Illinois Volunteer Infantry, later the 87th Regiment Illinois Volunteer Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 88th Illinois Volunteer Infantry Regiment
  88th Illinois Volunteer Infantry Regiment
  The 88th Regiment Illinois Volunteer Infantry, nicknamed the Second Chicago Board of Trade Regiment, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - 2nd Chicago Board of Trade Regiment
• 89th Illinois Volunteer Infantry Regiment
  89th Illinois Volunteer Infantry Regiment
  The 89th Regiment Illinois Volunteer Infantry, nicknamed the Railroad Regiment, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
   - The Railroad Regiment
• 90th Illinois Volunteer Infantry Regiment
  90th Illinois Volunteer Infantry Regiment
  The 90th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 90th Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on September 7, 1862...
  
  
• 91st Illinois Volunteer Infantry Regiment
  91st Illinois Volunteer Infantry Regiment
  The 91st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 92nd Illinois Volunteer Infantry Regiment
  92nd Illinois Volunteer Infantry Regiment
  The 92nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 92nd Illinois Infantry was organized at Rockford, Illinois and mustered into Federal service on September 4, 1862....
  
  
• 93rd Illinois Volunteer Infantry Regiment
  93rd Illinois Volunteer Infantry Regiment
  The 93rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 93rd Illinois Infantry was mustered into state service at Chicago, Illinois and mustered into Federal service on October 13, 1862.The regiment was mustered...
  
  
• 94th Illinois Volunteer Infantry Regiment
  94th Illinois Volunteer Infantry Regiment
  The 94th Regiment Illinois Volunteer Infantry, nicknamed the "McLean Regiment," was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 95th Illinois Volunteer Infantry Regiment
  95th Illinois Volunteer Infantry Regiment
  The 95th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 95th Illinois Infantry was organized at Rockford, Illinois and mustered into Federal service on September 4, 1862....
  
  
• 96th Illinois Volunteer Infantry Regiment
  96th Illinois Volunteer Infantry Regiment
  The 96th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 96th Illinois Infantry was organized at Rockford, Illinois and mustered into Federal service on September 6, 1862. It consisted of men from Jo Daviess...
  
  
• 97th Illinois Volunteer Infantry Regiment
  97th Illinois Volunteer Infantry Regiment
  The 97th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 97th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on September 16, 1862.The regiment was mustered out on July...
  
  
• 98th Illinois Volunteer Infantry Regiment
  98th Illinois Volunteer Infantry Regiment
  The 98th Regiment Illinois Volunteer Infantry, later the 98th Regiment Illinois Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 99th Illinois Volunteer Infantry Regiment
  99th Illinois Volunteer Infantry Regiment
  The 99th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 99th Illinois Infantry was organized at Florence, Illinois and mustered into Federal service on August 23, 1862....
  
  
• 100th Illinois Volunteer Infantry Regiment
  100th Illinois Volunteer Infantry Regiment
  The 100th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 100th Illinois Infantry was organized at Joliet, Illinois and mustered into Federal service on August 30, 1862....
  
  
• 101st Illinois Volunteer Infantry Regiment
  101st Illinois Volunteer Infantry Regiment
  The 101st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 102nd Illinois Volunteer Infantry Regiment
  102nd Illinois Volunteer Infantry Regiment
  The 102nd Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 102nd Illinois Infantry was organized at Knoxville, Illinois and mustered in for three years service on September 1, 1862....
  
  
• 103rd Illinois Volunteer Infantry Regiment
• 104th Illinois Volunteer Infantry Regiment
• 105th Illinois Volunteer Infantry Regiment
  105th Illinois Volunteer Infantry Regiment
  The 105th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 105th Illinois Infantry was organized at Dixon, Illinois and mustered in for three years service on September 2, 1862 under the command of Colonel Daniel Dustin...
  
  
• 106th Illinois Volunteer Infantry Regiment
• 107th Illinois Volunteer Infantry Regiment
• 108th Illinois Volunteer Infantry Regiment
  108th Illinois Volunteer Infantry Regiment
  The 108th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 108th Illinois Infantry was organized in Peoria, Illinois mustered in for three years service on August 28, 1862 under the command of Colonel John Warner.The regiment was...
  
  
• 109th Illinois Volunteer Infantry Regiment
• 110th Illinois Volunteer Infantry Regiment
  110th Illinois Volunteer Infantry Regiment
  The 110th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 110th Illinois Infantry was organized at Anna, Illinois and mustered in for three years service on September 11, 1862 under the command of Colonel Thomas S. Casey...
  
  
• 111th Illinois Volunteer Infantry Regiment
• 112th Illinois Volunteer Infantry Regiment
• 113th Illinois Volunteer Infantry Regiment
  113th Illinois Volunteer Infantry Regiment
  The 113th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 113th Illinois Infantry was organized at Camp Hancock near Chicago, Illinois and mustered in for three years service on October 1, 1862 under the command of Colonel George B...
  
  
• 114th Illinois Volunteer Infantry Regiment
  114th Illinois Volunteer Infantry Regiment
  The 114th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 114th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on September 18, 1862...
  
  
• 115th Illinois Volunteer Infantry Regiment
• 116th Illinois Volunteer Infantry Regiment
  116th Illinois Volunteer Infantry Regiment
  The 116th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-History:The 116th Illinois Infantry was organized in Decatur, Illinois and mustered in for three years service on September 30, 1862 under the command of Colonel Nathan W...
  
  
• 117th Illinois Volunteer Infantry Regiment
• 118th Illinois Volunteer Infantry Regiment
  118th Illinois Volunteer Infantry Regiment
  The 118th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War. On June 10, 1863, the regiment was converted to mounted infantry.-Service:...
  
  
• 119th Illinois Volunteer Infantry Regiment
• 120th Illinois Volunteer Infantry Regiment
• 121st Illinois Volunteer Infantry Regiment
• 122nd Illinois Volunteer Infantry Regiment
• 123rd Illinois Volunteer Infantry Regiment
  123rd Illinois Volunteer Infantry Regiment
  The 123rd Illinois Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. In 1863 and 1864 it was temporarily known as the Mounted Infantry, 123rd Regiment.-Background:...
  
  
• 124th Illinois Volunteer Infantry Regiment
  124th Illinois Volunteer Infantry Regiment
  The 124th Illinois Volunteer Infantry Regiment also known as the Excelsior Regiment was an exemplary infantry regiment that served in the Union Army during the American Civil War.-Background:...
  
   - Excelsiors or Excelsior Regiment
• 125th Illinois Volunteer Infantry Regiment
  125th Illinois Volunteer Infantry Regiment
  The 125th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 125th Illinois Infantry was organized at Danville, Illinois and mustered in for three years service on September 3, 1862 under the command of Colonel Oscar Fitzalan Harmon.The...
  
  
• 126th Illinois Volunteer Infantry Regiment
• 127th Illinois Volunteer Infantry Regiment
  127th Illinois Volunteer Infantry Regiment
  The 125th Illinois Volunteer Infantry was an infantry regiment in the Union Army during the American Civil War.-Service:The 127th Illinois Infantry was organized at Camp Douglas in Chicago, Illinois and mustered in for three years service on September 6, 1862 under the command of Colonel John Van...
  
  
• 128th Illinois Volunteer Infantry Regiment
  128th Illinois Volunteer Infantry Regiment
  The 128th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 128th Illinois was organized at Camp Butler, Illinois and mustered into Union service on November 4, 1862....
  
  
• 129th Illinois Volunteer Infantry Regiment
  129th Illinois Volunteer Infantry Regiment
  The 129th Regiment Illinois Volunteer Infantry was an American infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 130th Illinois Volunteer Infantry Regiment
  130th Illinois Volunteer Infantry Regiment
  The 130th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 130th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on October 25, 1862 for a three year enlistment.The...
  
  
• 131st Illinois Volunteer Infantry Regiment
  131st Illinois Volunteer Infantry Regiment
  The 131st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 131st Illinois Infantry was organized at Old Fort Massac, Illinois and mustered into Federal service on November 13, 1862 for a three year enlistment.The...
  
  
• 132nd Illinois Volunteer Infantry Regiment
  132nd Illinois Volunteer Infantry Regiment
  The 132nd Regiment Illinois Volunteer Infantry is an infantry regiment that first served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end...
  
   - 100 Day Regiment
• 133rd Illinois Volunteer Infantry Regiment
  133rd Illinois Volunteer Infantry Regiment
  The 133rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 134th Illinois Volunteer Infantry Regiment
  134th Illinois Volunteer Infantry Regiment
  The 134th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 and known as Hundred Days Men, an effort to augment existing manpower for an all-out push to...
  
   - 100 Day Regiment
• 135th Illinois Volunteer Infantry Regiment
  135th Illinois Volunteer Infantry Regiment
  The 135th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 136th Illinois Volunteer Infantry Regiment
  136th Illinois Volunteer Infantry Regiment
  The 136th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 137th Illinois Volunteer Infantry Regiment
  137th Illinois Volunteer Infantry Regiment
  The 137th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 138th Illinois Volunteer Infantry Regiment
  138th Illinois Volunteer Infantry Regiment
  The 138th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 139th Illinois Volunteer Infantry Regiment
  139th Illinois Volunteer Infantry Regiment
  The 139th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 140th Illinois Volunteer Infantry Regiment
  140th Illinois Volunteer Infantry Regiment
  The 140th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment - was reformed and served somewhat longer
• 141st Illinois Volunteer Infantry Regiment
  141st Illinois Volunteer Infantry Regiment
  The 141st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 142nd Illinois Volunteer Infantry Regiment
  142nd Illinois Volunteer Infantry Regiment
  The 142nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 143rd Illinois Volunteer Infantry Regiment
  143rd Illinois Volunteer Infantry Regiment
  The 143rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 144th Illinois Volunteer Infantry Regiment
  144th Illinois Volunteer Infantry Regiment
  The 144th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 145th Illinois Volunteer Infantry Regiment
  145th Illinois Volunteer Infantry Regiment
  The 145th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war...
  
   - 100 Day Regiment
• 146th Illinois Volunteer Infantry Regiment
  146th Illinois Volunteer Infantry Regiment
  The 146th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 147th Illinois Volunteer Infantry Regiment
  147th Illinois Volunteer Infantry Regiment
  The 147th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 148th Illinois Volunteer Infantry Regiment
  148th Illinois Volunteer Infantry Regiment
  The 148th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 149th Illinois Volunteer Infantry Regiment
  149th Illinois Volunteer Infantry Regiment
  The 149th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 150th Illinois Volunteer Infantry Regiment
  150th Illinois Volunteer Infantry Regiment
  The 150th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 151st Illinois Volunteer Infantry Regiment
  151st Illinois Volunteer Infantry Regiment
  The 151st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 152nd Illinois Volunteer Infantry Regiment
  152nd Illinois Volunteer Infantry Regiment
  The 152nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 153rd Illinois Volunteer Infantry Regiment
  153rd Illinois Volunteer Infantry Regiment
  The 153rd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 153rd Illinois Infantry was organized at Chicago, Illinois and mustered into Federal service on February 27, 1865 for a one year enlistment...
  
  
• 154th Illinois Volunteer Infantry Regiment
  154th Illinois Volunteer Infantry Regiment
  The 154th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 155th Illinois Volunteer Infantry Regiment
  155th Illinois Volunteer Infantry Regiment
  The 155th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 156th Illinois Volunteer Infantry Regiment
  156th Illinois Volunteer Infantry Regiment
  The 156th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.-Service:The 156th Illinois Infantry was mustered into Federal service on February 16, 1865....
  
  
• Sturgis Rifles
  Sturgis Rifles
  The Sturges' Rifles was an infantry company that served in the Union Army during the American Civil War.-Service:The Sturges' Rifles were a company of Illinois militia sharpshooters mustered into Federal service on May 6, 1861. The company served as part of Major General George B. McClellan's...
  
  

Cavalry units

• 1st Regiment Illinois Volunteer Cavalry
  1st Regiment Illinois Volunteer Cavalry
  The 1st Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:Companies "A" to "G" of the 1st Illinois Cavalry were mustered into service at Alton, Illinois, on July 3, 1861. Among their initial officers was future Washington...
  
  
• 2nd Regiment Illinois Volunteer Cavalry
  2nd Regiment Illinois Volunteer Cavalry
  The 2nd Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:Companies "A" to "L of the 2nd Illinois Cavalry was mustered into service at Camp Butler, Illinois on August 12, 1861...
  
  
• 3rd Regiment Illinois Volunteer Cavalry
  3rd Regiment Illinois Volunteer Cavalry
  The 3rd Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 3rd Illinois Cavalry was mustered into service at Camp Butler, Illinois on August 27, 1861....
  
  
• 4th Regiment Illinois Volunteer Cavalry
  4th Regiment Illinois Volunteer Cavalry
  The 4th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 4th Illinois Cavalry was mustered into service at Ottawa, Illinois on September 26, 1861....
  
  
• 5th Regiment Illinois Volunteer Cavalry
  5th Regiment Illinois Volunteer Cavalry
  The 5th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 5th Illinois Cavalry was mustered into service at Camp Butler, Illinois on August 31, 1861....
  
  
• 6th Regiment Illinois Volunteer Cavalry
  6th Regiment Illinois Volunteer Cavalry
  The 6th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 6th Illinois Cavalry was mustered into service at Camp Butler, Illinois on November 19, 1861....
  
  
• 7th Regiment Illinois Volunteer Cavalry
  7th Regiment Illinois Volunteer Cavalry
  The 7th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 7th Illinois Cavalry was mustered into service at Camp Butler, Illinois on October 13, 1861....
  
  
• 8th Regiment Illinois Volunteer Cavalry
  8th Regiment Illinois Volunteer Cavalry
  The 8th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War. The regiment served the duration of the war, and was the only cavalry regiment to serve the entire war in the Army of the Potomac...
  
   - Bracket's Regiment
• 9th Regiment Illinois Volunteer Cavalry
  9th Regiment Illinois Volunteer Cavalry
  The 9th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 9th Illinois Cavalry was mustered into service at Chicago, Illinois on November 30, 1861....
  
  
• 10th Regiment Illinois Volunteer Cavalry
• 11th Regiment Illinois Volunteer Cavalry
  11th Regiment Illinois Volunteer Cavalry
  The 11th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War. The regiment was raised by orator Robert Green Ingersoll who became its first colonel and Basile D...
  
  
• 12th Regiment Illinois Volunteer Cavalry
  12th Illinois Cavalry
  The 12th Illinois Cavalry Regiment was a volunteer cavalry regiment which served in the Union Army during the American Civil War.- History :The 12th Cavalry was organized at Camp Butler in February 1862...
  
  
• 13th Regiment Illinois Volunteer Cavalry
  13th Regiment Illinois Volunteer Cavalry
  The 13th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The original eight companies of the 13th Illinois Cavalry was mustered into service at Camp Douglas, Illinois between October 30, 1861 and February 20,...
  
   - German Guides
• 14th Regiment Illinois Volunteer Cavalry
  14th Regiment Illinois Volunteer Cavalry
  The 14th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The first two battalions of the 14th Illinois Cavalry were mustered into service at Peoria, Illinois on January 7, 1863...
  
  
• 15th Regiment Illinois Volunteer Cavalry
  15th Regiment Illinois Volunteer Cavalry
  The 15th Regiment of the Illinois Volunteer Cavalry was a volunteer cavalry regiment that served in the Union Army during the American Civil War.-History of Service:...
  
  
• 16th Regiment Illinois Volunteer Cavalry
  16th Regiment Illinois Volunteer Cavalry
  The 16th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 16th Illinois Cavalry was organized at Camp Butler, Illinois between January and April 1863 from numerous independent companies of Illinois cavalry.The...
  
  
• 17th Regiment Illinois Volunteer Cavalry
  17th Regiment Illinois Volunteer Cavalry
  The 17th Regiment Illinois Volunteer Cavalry was a cavalry regiment that served in the Union Army during the American Civil War.-Service:The 17th Illinois Cavalry was organized at St...
  
  

• Stewart's Independent Cavalry Battalion
  Stewart's Independent Cavalry Battalion
  The Stewart's Independent Cavalry Battalion was a cavalry battalion that served in the Union Army during the American Civil War.-Service:...
  
  
• Thielman's Independent Cavalry Battalion
  Thielman's Independent Cavalry Battalion
  Thielman's Independent Cavalry Battalion was a cavalry battalion that served in the Union Army during the American Civil War.-Service:...
  
  
• Barker's Dragoons
• Carmichael's Independent Cavalry Company
• Dollins' Independent Cavalry Company
• Ford's Independent Cavalry Company
• Gilbert's Independent Cavalry Company
• Hutchins' Independent Cavalry Company
• Jenks' Independent Cavalry Company
• Dodson's Kane County Independent Cavalry Company
• Marx's Independent Cavalry Company
• McClellan Dragoons
• McClernand's Body Guard
• Naughton's Irish Dragoons
• O'Harnett's Independent Cavalry Company
• Schambeck's Independent Cavalry Company
• Sherer's Independent Cavalry Company
• Stewart's Independent Cavalry Company
• Thielman's Independent Cavalry Company

Mounted infantry units

• 9th Illinois Volunteer Mounted Infantry Regiment
• 92nd Illinois Volunteer Mounted Infantry Regiment
  92nd Illinois Volunteer Mounted Infantry Regiment
  The 92nd Regiment Illinois Volunteer Mounted Infantry was a mounted infantry regiment that served in the Union Army during the American Civil War.-Service:The 92nd Regiment Infantry Illinois Volunteers was organized at Rockford, Illinois,...
  
  
• 98th Illinois Volunteer Mounted Infantry Regiment
  98th Illinois Volunteer Infantry Regiment
  The 98th Regiment Illinois Volunteer Infantry, later the 98th Regiment Illinois Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.-Service:...
  
  
• 123rd Illinois Volunteer Mounted Infantry Regiment
  123rd Illinois Volunteer Infantry Regiment
  The 123rd Illinois Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. In 1863 and 1864 it was temporarily known as the Mounted Infantry, 123rd Regiment.-Background:...
  
  

Artillery units

• Battery "A", 1st Regiment Illinois Volunteer Light Artillery
• Battery "B", 1st Regiment Illinois Volunteer Light Artillery
• Battery "C", 1st Regiment Illinois Volunteer Light Artillery
  Battery "C", 1st Regiment Illinois Volunteer Light Artillery
  Battery "C", 1st Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War...
  
   (Houghtailing's)
• Battery "D", 1st Regiment Illinois Volunteer Light Artillery
• Battery "E", 1st Regiment Illinois Volunteer Light Artillery (Waterhouse's)
• Battery "F", 1st Regiment Illinois Volunteer Light Artillery
  Battery "F", 1st Regiment Illinois Volunteer Light Artillery
  Battery "F", 1st Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War...
  
  
• Battery "G", 1st Regiment Illinois Volunteer Light Artillery
  Battery "G", 1st Regiment Illinois Volunteer Light Artillery
  Battery "G", 1st Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War...
  
  
• 1st Regiment Light Artillery, Battery "H"
• 1st Regiment Light Artillery, Battery "I"
• 1st Regiment Light Artillery, Battery "K"
• 1st Regiment Light Artillery, Battery "K" (reorganized)
• 1st Regiment Light Artillery, Battery "L"
• 1st Regiment Light Artillery, Battery "M"
• Battery "A", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "A", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "A", 2nd Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War...
  
  
• 2nd Regiment Light Artillery, Battery "B"
• 2nd Regiment Light Artillery, Battery "C"
• Battery "D", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "D", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "D", 2nd Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War.-Service:...
  
  
• Battery "E", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "E", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "E", 2nd Regiment Illinois Volunteer Light Artillery, was an artillery battery that served in the Union Army during the American Civil War.-Service:The battery was organized St...
  
  
• 2nd Regiment Light Artillery, Battery "F"
• 2nd Regiment Light Artillery, Battery "G"
• 2nd Regiment Light Artillery, Battery "H"
• Battery "I", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "I", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "I", 2nd Regiment Illinois Volunteer Light Artillery was an artillery battery that served in the Union Army during the American Civil War.-Service:...
  
  
• 2nd Regiment Light Artillery, Battery "K"
• Battery "L", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "L", 2nd Regiment Illinois Volunteer Light Artillery
  Battery "L", 2nd Regiment Illinois Volunteer Light Artillery was an artillery battery that served in the Union Army during the American Civil War...
  
  
• 2nd Regiment Light Artillery, Battery "M"
• Bridges' Independent Battery Light Artillery
• Busteed's Independent Battery Light Artillery
• Chicago Board of Trade Independent Battery Light Artillery
  Chicago Board of Trade Independent Battery Light Artillery
  The Chicago Board of Trade Battery was an artillery battery that served in the Union Army during the American Civil War.-Service:The Chicago Board of Trade Battery was mustered into service at Chicago, Illinois, on August 1, 1862....
  
  
• Chapman's Peoria Independent Battery Light Artillery
• Chicago Mercantile Independent Battery Light Artillery
  Chicago Mercantile Independent Battery Light Artillery
  Chicago Mercantile Independent Battery Light Artillery was an artillery battery that served in the Union Army during the American Civil War.-Service:...
  
  
• Cogswell's Independent Battery Light Artillery
• Colvin's Independent Battery Light Artillery
• Cooley's Independent Battery Light Artillery
• Renwick's Elgin Independent Battery Light Artillery
• Henshaw's Independent Battery Light Artillery
• Renwick's Independent Battery Light Artillery
• Smith's Battery Chicago Light Artillery
• Springfield Independent Battery Light Artillery  (Vaughan's)
• Stokes' Independent Battery Light Artillery
• Vaughan's Independent Battery Light Artillery