Thomas Hackney was a U.S. Representative

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 from Missouri

Missouri

Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

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Born near Campbellsville, Tennessee, Hackney moved with his parents to Jackson County, Illinois

Jackson County, Illinois

Jackson County, incorporated January 10, 1816, is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 60,218, which is an increase of 1.0% from 59,612 in 2000...

, in 1864.
He attended the common schools of Jackson County, the Southern Illinois Normal University at Carbondale, and the University of Missouri

University of Missouri

The University of Missouri System is a state university system providing centralized administration for four universities, a health care system, an extension program, five research and technology parks, and a publishing press. More than 64,000 students are currently enrolled at its four campuses...

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He studied law.
He was admitted to the bar September 18, 1886, and commenced practice in Carthage, Missouri

Carthage, Missouri

Carthage is a city in Jasper County, Missouri, United States. The population was 14,378 at the 2010 census. It is the county seat of Jasper County and is nicknamed "America's Maple Leaf City."...

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He was also interested in zinc and lead mines in the Joplin district.
He served as member of the State house of representatives in 1901.

Hackney was elected as a Democrat

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 to the Sixtieth Congress (March 4, 1907-March 3, 1909).
He was an unsuccessful candidate for reelection in 1908 to the Sixty-first Congress.
He resumed the practice of law in Carthage, Missouri

Carthage, Missouri

Carthage is a city in Jasper County, Missouri, United States. The population was 14,378 at the 2010 census. It is the county seat of Jasper County and is nicknamed "America's Maple Leaf City."...

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He served as delegate to the Democratic National Convention in 1912.
He moved to Kansas City, Missouri

Kansas City, Missouri

Kansas City, Missouri is the largest city in the U.S. state of Missouri and is the anchor city of the Kansas City Metropolitan Area, the second largest metropolitan area in Missouri. It encompasses in parts of Jackson, Clay, Cass, and Platte counties...

, in 1914 and continued the practice of law.
He served as general counsel for the Missouri Pacific Railroad 1914-1932.
He retired from public life and resided in Kansas City, Missouri

Kansas City, Missouri

Kansas City, Missouri is the largest city in the U.S. state of Missouri and is the anchor city of the Kansas City Metropolitan Area, the second largest metropolitan area in Missouri. It encompasses in parts of Jackson, Clay, Cass, and Platte counties...

, until his death there on December 24, 1946.
He was interred in Elmwood Cemetery.