Thomas R. Boss was an 18-year-old student living in Allegheny County when he enlisted on August 24, 1861, in Company A, 101st Pennsylvania Volunteers. He was five foot eight and had blue eyes. Mustered in October 22, 1861, as a Corporal, Boss was promoted to Sergeant on January 1, 1863. When his term expired on October 27, 1864, he returned to Pittsburgh, but later moved to Mt. Clemens, Michigan. On May 26, 1909, he was admitted to the Soldiers’ Home in Dayton, Ohio, where he died three day later of pneumonia.