Blue Girl was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 racemare that was the Champion 2 and 3-year old female in 1901 and 1902, respectively.

Pedigree

Blue Girl was foaled in Kentucky at Runnymeade Stud, the farm of Ezekiel Clay and Catesby Woodford. She was sired by Sir Dixon, the 1888 Belmont Stakes

Belmont Stakes

The Belmont Stakes is an American Grade I stakes Thoroughbred horse race held every June at Belmont Park in Elmont, New York. It is a 1.5-mile horse race, open to three year old Thoroughbreds. Colts and geldings carry a weight of 126 pounds ; fillies carry 121 pounds...

 winner, out of the mare Bonnie Blue. Bonnie Blue was sired by the influential American sire Hindoo

Hindoo (horse)

Hindoo was an outstanding American Thoroughbred race horse who won 30 of his 35 starts, including the Kentucky Derby, the Travers Stakes and the Clark Handicap. He later sired the Preakness Stakes winner Buddhist and the Belmont Stakes winner and Leading sire in North America, Hanover.He was a bay...

 and also produced the semi-successful stallion Blues. Blue Girl was sold as a 2-year-old in 1901 to John E. Madden

John E. Madden

John Edward Madden was a prominent AmericanThoroughbred and Standardbred owner, breeder and trainer in the late nineteenth and early twentieth century. He owned Hamburg Place Stud in Lexington, Kentucky and bred five Kentucky Derby and Belmont Stakes winners.He was inducted into the National...

, the owner of the Lexington

Lexington, Kentucky

Lexington is the second-largest city in Kentucky and the 63rd largest in the US. Known as the "Thoroughbred City" and the "Horse Capital of the World", it is located in the heart of Kentucky's Bluegrass region...

 stud farm Hamburg Place.

Racing career

Blue Girl was trained by John Madden as a two-year-old and won the Juvenile Stakes, Eclipse, Great Trial, and Great American Stakes for Madden, netting $38,230 in purse money. She was bought by William Collins Whitney in late 1901 and won the Great Filly Stakes winning $23,975. As a 3-year-old, Blue Girl won the Gazelle

Gazelle Handicap

The Gazelle Stakes is an American Thoroughbred horse race raced annually at Aqueduct Racetrack in Ozone Park, New York. Open to three-year-old fillies, it is a Grade I event run over a distance of one and one-eighth miles on dirt...

 and Ladies Handicap

Ladies Handicap

The Ladies Handicap is a historic American Thoroughbred horse race for fillies three years of age and older that is held annually at Aqueduct Racetrack in Queens, New York. Inaugurated at the Jerome Park Racetrack in 1868, it is the oldest stakes race in the U.S. exclusively for fillies and mares...

. She started in the Flying Handicap, run at Sheepshead Bay, but she became lame during the race. This was her last start, and overall Blue Girl started 12 times and won 7 races.

Offspring

Blue Girl was retired in 1903 and was sent to Whitney's Brookdale Stud farm. She was sold to Frederick Johnson (as representative for Harry Payne Whitney) for $10,000 in October 1904 after William Whitney's death. Blue Girl was sent to Britain in 1912, but returned to the United States in 1915 due to anti-American Thoroughbred sentiment and the passage of the Jersey Act

Jersey Act

The Jersey Act was introduced to prevent the registration of most American-bred Thoroughbred horses in the British General Stud Book. It had its roots in the desire of the British to halt the influx of American-bred racehorses of possibly impure bloodlines during the early 20th century...

. She produced thirteen foals, but none were as successful as Blue Girl. Her offspring include:

• Tammany Hall, chestnut gelding by Meddler
  Meddler (horse)
  Meddler was a British Thoroughbred racehorse who was a leading two-year-old in England and a Leading sire in North America in 1904 and 1906. Bred and raced by George Baird, his sire, St. Gatien, dead heated for the win in the 1884 Epsom Derby and won the 1885 Ascot Gold Cup...
  
   (1904)
• Blue Grass, chestnut filly by Hamburg
  Hamburg (horse)
  Hamburg was an American Thoroughbred race horse bred in Kentucky by James E. Kittson, brother to Norman W. Kittson who had been partners in Erdenheim Stud. His sire was the great Hanover by another great, Hindoo....
  
   (1906)
• Dalenburg, chestnut colt by Hamburg (1907) (exported to Britain)
• Bay filly by Hamburg (1908)
• Eton Blue, bay filly by Hamburg (1909)
• Brush By, colt by Broomstick
  Broomstick (horse)
  Broomstick was a Thoroughbred race horse born and bred at the famous McGrathiana Stud in Kentucky, but more importantly, he was one of the great sires of American racing. Out of another great sire, the Hall of Famer Ben Brush, Broomstick went on after his racing career to produce champion after...
  
   (1910)
• Delft, bay filly by Burgomaster (1911, died 1926), granddam of 1926 2-year-old champion Scapa Flow
  Scapa Flow (horse)
  Scapa Flow was an American Thoroughbred race horse, a son of Man o' War. He first came to prominence in 1926 after winning the 43rd running of the United States...
  
  
• Blume (GB), chestnut filly by Broomstick (1913)
• Bit of Blue (GB), chestnut filly by Lemberg (1914)
• Cobalt, bay gelding by Willonyx (1915)
• Blue Laddie, bay gelding by Cylgad (1916)
• Sky Blue, chestnut filly by All Gold (1918)
• Chestnut colt by Pennant (1919, died 1920)

Blue Girl died in 1919 at the Brookdale Stud.