Thomas Alexander Boyd (June 25, 1830 – May 28, 1897) was a U.S. Representative from Illinois.
Born near Bedford in Adams County, Pennsylvania, Boyd attended the public schools.
He moved to Lewistown, Illinois, in 1856 and engaged in the practice of law until 1861.
During the Civil War enlisted in the Seventeenth Regiment, Illinois Infantry, in 1861 and obtained the commission of captain.
This article incorporates public domain material from the Biographical Directory of the United States Congress