Sempronius Hamilton Boyd (28 May 1828 – 22 June 1894) was a member of the US House of Representatives (R-MO 4) from 4 March 1863 to 3 March 1865 (succeeding Elijah Hise Norton and preceding John R. Kelso) and from 4 March 1869 to 3 March 1871 (succeeding Joseph J. Gravely and preceding Harrison E. Havens).
Biography[]
Sempronius Hamilton Boyd was born in Nashville, Tennessee in 1828, and he moved to Springfield, Missouri in 1840. From 1849 to 1854, he prospected and taught in California, but he moved back to Missouri and served as Greene County clerk from 1854 to 1856. He served as Mayor of Springfield in 1856, and, at the start of the American Civil War, he raised a Union Army regiment and served as its colonel. Boyd went on to serve in the US House of Representatives from 1863 to 1865 and from 1869 to 1871, serving as a Unionist and then as a Republican. He also worked in the railroad industry, manufactured wagons, worked as a lawyer, and served as Minister to Siam from 1890 to 1892. He died in 1894.