Organized at Gallipolis, Ohio, and mustered in September 18, 1864. Left State for Nashville, Tenn., September 18, arriving there October 1. Attached to Post and Defences of Nashville, Tenn., Dept. of the Cumberland, to March, 1865. 3rd Sub-District, District of Middle Tennessee, Dept. of the Cumberland, to June, 1865.

SERVICE.-Assigned to guard duty at Nashville, Tenn., till February, 1865. Occupation of Nashville during Hood's investment December 1-15, 1864. Battle of Nashville December 15-16. Guarding prisoners at Nashville till February, 1865. Moved to Columbia, Tenn., February 15. Duty there and at Johnsonville till June 20. Moved to Nashville June 20, and there mustered out June 26. Disbanded at Camp Dennison, Ohio, July 5, 1865.

Regiment lost during service: 108 Enlisted men by disease.

173rd Ohio Voluntary Infantry Companies A & B

173rd Ohio Voluntary Infantry Companies C & D

173rd Ohio Voluntary Infantry Companies E, F, & F&S

173rd Ohio Voluntary Infantry Companies G & H

173rd Ohio Voluntary Infantry Company I

173rd Ohio Voluntary Infantry Company K

The Civil War Soldiers and Sailors System web site listed 753 men in this regiment
with no company assignment. Their names are listed on the following page: