The 169th Ohio Infantry Regiment lost 41 enlisted men to disease during the Civil War.

1864
Organized at Camp Taylor, Cleveland, Ohio
May 13 Mustered in under Colonel Nathaniel Haynes
May 19 Left State for Washington, D. C. Attached to 1st Brigade, DeRussy’s Division, 22nd Army Corps.
July Assigned to 2nd Brigade, DeRussy’s Division, 22nd Army Corps
July 11-12 Repulse of Early’s attack on Washington
August Assigned to duty in the Defenses of Washington south of the Potomac as garrison at Fort Ethan Allen and in fortifications south of the Potomac.
September 4 Mustered out