Overview
The 137th Ohio Infantry (100 Days’ Service) was an infantry regiment organized in Ohio for Federal service during the American Civil War. Mustered in at Camp Chase on May 10, 1864, the regiment was composed primarily of citizens from Cincinnati and served as part of the Ohio National Guard. The unit was raised for a short-term enlistment of 100 days and served in the Middle Department, primarily in the defenses of Baltimore, Maryland, during its term of service.
This unit is distinct from any other Ohio regiments with similar designations or service terms.
Organization & Service
The 137th Ohio Infantry (100 Days’ Service) was organized at Camp Chase, Ohio, on May 10, 1864, under the command of Colonel Leonard A. Harris. The regiment was formed from the 7th Ohio National Guard, consisting of men from Cincinnati, and was mustered into Federal service for a period of 100 days.
On May 12, 1864, the regiment was ordered to Washington, D.C., but upon arrival in Baltimore, Maryland, it was retained there and assigned to garrison duty. The 137th Ohio Infantry was stationed at Fort McHenry, with detachments posted at Fort Federal Hill, Fort Marshall, Fort Carroll, and various headquarters throughout Baltimore. The regiment performed guard and garrison duties, protecting key military installations and infrastructure in the city. On August 1, 1864, the regiment was concentrated at Fort Marshall, where it remained until August 14. The unit was then transported to Camp Dennison, Ohio, and mustered out of service on August 19, 1864, upon the expiration of its 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 McHenry, Baltimore, Maryland (May–August 1864)
- Detachments at Fort Federal Hill, Fort Marshall, Fort Carroll, and various headquarters in Baltimore
Casualties
Specific casualty figures for the 137th Ohio Infantry (100 Days’ Service) are not detailed in primary sources. The regiment primarily performed garrison duty and did not participate in major combat operations.
Field Officers & Commanders
- Colonel Leonard A. Harris
- Lieutenant Colonel George M. Finch
- Major George A. Vandegrift
Regimental Roster
The full roster of the 137th Ohio Infantry (100 Days’ Service), including officers and enlisted men, is available for genealogical and historical research. The roster provides names, ranks, and service details for those who served in the regiment during its term.
To view the complete roster, visit the 137th Ohio Infantry (100 Days’ Service) Roster page.
Sources & References
- Official Records of the Union and Confederate Armies, Series I, relevant volumes
- Ohio Roster Commission, Official Roster of the Soldiers of the State of Ohio in the War of the Rebellion
- Dyer, Frederick H., A Compendium of the War of the Rebellion
- The Union Army, Vol. 2 (Federal Publishing Company, 1908)