Overview
The 169th Ohio Infantry (One Hundred Days’ Service) was an infantry regiment organized in Ohio for Union service during the American Civil War. Mustered at Camp Cleveland between May 13 and May 15, 1864, the regiment was composed of men from the 50th Battalion, Ohio National Guard (Sandusky County), and the 52nd Battalion, Ohio National Guard (Wayne County). The unit served as part of the Union Army’s efforts to provide short-term troops for rear-area defense during the summer of 1864.
The 169th Ohio Infantry was mustered in for a service term of 100 days. Its primary assignment was garrison duty in the defenses of Washington, D.C., where it contributed to the city’s security during a critical period.
Organization & Service
The regiment was organized at Camp Cleveland, Ohio, from May 13 to May 15, 1864, drawing its companies from the 50th and 52nd Battalions of the Ohio National Guard. After organization and mustering in, the 169th Ohio Infantry departed for Washington, D.C., on May 19, 1864.
Upon arrival in Washington, the regiment was assigned to garrison duty at Fort Ethan Allen, one of the fortifications in the city’s defensive network. The 169th Ohio Infantry remained stationed at Fort Ethan Allen throughout its service, performing guard and defensive duties. In July 1864, the regiment participated in the defense of Washington during Confederate General Jubal Early’s attack, contributing to the successful repulse of the Confederate forces. The regiment was mustered out of service on September 4, 1864, at the expiration of its 100-day term.
Research This Regiment Further
If you’d like to explore this unit’s history in more depth, regimental histories and Civil War reference works offer valuable detail.
Engagements & Campaigns
- Garrison duty at Fort Ethan Allen, Washington, D.C. (May–September 1864)
- Defense of Washington against Early’s Raid (July 1864)
Casualties
Specific casualty figures for the 169th Ohio Infantry (One Hundred Days’ Service) are not detailed in available primary sources. The regiment’s service was primarily garrison duty, and losses were minimal.
Field Officers & Commanders
- Colonel Nathaniel Haynes
- Lieutenant Colonel James N. Robinson
- Lieutenant Colonel Joseph H. Carr
- Major Jacob Fickes
Regimental Roster
The full roster of the 169th Ohio Infantry (One Hundred Days’ Service), including officers and enlisted men, is available for genealogical and historical research. The roster provides names, ranks, and service details for members of the regiment.
To view the complete roster, visit the 169th Ohio Infantry (One Hundred Days’ Service) Roster page.
Sources & References
- Official Records of the Union and Confederate Armies, Series I, Vol. 37, Part II
- Ohio Roster Commission, “Official Roster of the Soldiers of the State of Ohio in the War of the Rebellion,” Vol. 8
- Dyer, Frederick H., “A Compendium of the War of the Rebellion”
- Federal Publishing Company, “The Union Army,” Vol. 2 (1908)