Thomas K. Harris as an American politician that represented Tennesseee in the United States House of Representatives. He studied law, was admitted to bar, and practiced in Sparta and McMinnville, Tennessee. He was a trustee of Priestly Academy in Sparta, Tennessee and a member of the Tennessee Senate from 1809 until 1811. He was elected as a Democratic-Republican to the Thirteenth Congress, which lasted from March 4, 1813 to March 3, 1815. He died from wounds he received in an encounter with Col. John W. Simpson on March 18, 1816, on the old Kentucky Road at Shells Ford of Collins River, between Sparta and McMinnville, Tennessee. This article incorporates facts obtained from the public domain Biographical Directory of the United States Congress.