Was appointed August 22, 1862 as Lieutenant colonel of the 95th Regiment, Illinois Infantry volunteers. Mustered in September 4, 1862; promoted to colonel May 21, 1863, to rank from January 24, 1863; killed in action at Guntown June 10, 1864. Brevetted Brigadier General.

Colonel Humphrey was from Franklin township, DeKalb County, Illinois and is buried there at Charter Oak Cemetery.

Submitted by Kevin D. Bacon