Overview
The 136th Ohio Infantry (One Hundred Days’ Service) was an infantry regiment from Ohio that served in the Union Army during the American Civil War. Organized at Camp Chase in Columbus, Ohio, the regiment was mustered into federal service on May 13, 1864, for a term of 100 days. The regiment was composed of companies drawn from several Ohio National Guard battalions and was primarily assigned to garrison duty in the defenses of Washington, D.C.
This unit is distinct from any other Ohio infantry regiments with different service terms.
Organization & Service
The 136th Ohio Infantry (One Hundred Days’ Service) was organized at Camp Chase on May 13, 1864. The regiment consisted of four companies from the 62nd Battalion (Union County), five companies from the 56th Battalion (Morrow County), three companies from the 6th Battalion (Crawford County), and one company from the 89th Battalion (Marion County), all Ohio National Guard units. Upon organization, the regiment departed Camp Chase for Washington, D.C., on the evening of May 13, 1864.
Arriving in Washington, the regiment was assigned to garrison duty at Forts Ellsworth, Williams, and North, which were part of the defensive works south of the Potomac River. The 136th Ohio Infantry remained on garrison duty throughout its service, helping to secure the capital during a period of increased Confederate activity in the region. The regiment’s term of service expired on August 20, 1864, and it was mustered out at Camp Chase on August 30, 1864.
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 Forts Ellsworth, Williams, and North, Defenses of Washington, D.C. (May–August 1864)
Casualties
Specific casualty figures for the 136th Ohio Infantry (One Hundred Days’ Service) are not detailed in primary sources. The regiment primarily performed garrison duty and did not participate in major combat operations during its term.
Field Officers & Commanders
- Colonel W. Smith Irwin
- Lieutenant Colonel David A. Williams
- Major Alexander W. Diller
Regimental Roster
The full roster of the 136th Ohio Infantry (One Hundred Days’ Service), including officers and enlisted men, is available on the regiment’s roster page. This roster provides names, ranks, and additional service details for those who served in the unit during its 100-day term.
To view the complete roster, visit the 136th Ohio Infantry (One Hundred Days’ Service) Roster page.
Sources & References
- Official Records of the Union and Confederate Armies, Series I, Vol. 37
- 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
- The Union Army, Vol. 2 (Federal Publishing Company, 1908)