Horace Holmes Thomas

Horace Holmes Thomas (December 18, 1831 – March 17, 1904) was a lawyer, Union Army officer, state legislator, and appraiser in Illinois who served in the Illinois House of Representatives and Illinois Senate. He was a Speaker of the Illinois House of Representatives from 1880 to 1881.

He was born in Hubbardton, Vermont, graduated from Middlebury College, and studied law. He moved to Chicago in 1859.

He was an officer in the Union Army during the American Civil War. He wrote about his Civil War experiences. He married and had a daughter. He was written about by the Grand Army Hall and Memorial Association of Illinois in 1904.