Overview
The 146th 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 Dennison in May 1864, the regiment was mustered in for a term of 100 days. Its service was primarily in West Virginia, where it performed garrison and guard duties in support of Union operations in the region.
This regiment was composed of companies drawn from the 31st Regiment, Ohio National Guard (Warren County), the 35th Battalion (Clarke County), and the 24th Battalion (Lawrence County). The 146th Ohio Infantry was part of the Union’s effort to utilize National Guard units for short-term service during the summer of 1864.
Organization & Service
The 146th Ohio Infantry (One Hundred Days’ Service) was organized at Camp Dennison, Ohio, between May 9 and May 12, 1864. The regiment was mustered into service for 100 days, with Colonel Harvey Crampton as its commanding officer, supported by Lieutenant Colonel John R. Hitesman and Major Thomas W. Brown.
On May 17, 1864, the regiment moved to Charleston, West Virginia. Companies A and H were detached and sent to Camp Chase, Ohio, where they were assigned to guard Confederate prisoners. The remainder of the regiment proceeded to Fayetteville, West Virginia, on May 23, where it was assigned to garrison duty. The regiment remained in this capacity throughout its service, helping to secure Union positions and maintain order in the region. On August 27, 1864, the 146th Ohio Infantry was ordered to Camp Piatt for transportation back to Ohio. The regiment was mustered out of service on September 7, 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 Fayetteville, West Virginia (May–August 1864)
- Guard duty at Camp Chase, Ohio (Companies A and H)
Casualties
Specific casualty figures for the 146th Ohio Infantry (One Hundred Days’ Service) are not detailed in available primary sources. The regiment primarily performed garrison and guard duties and did not participate in major combat operations.
Field Officers & Commanders
- Colonel Harvey Crampton
- Lieutenant Colonel John R. Hitesman
- Major Thomas W. Brown
Regimental Roster
The full roster of the 146th Ohio Infantry (One Hundred Days’ Service), including officers and enlisted men, is available for genealogical and historical research. This roster provides names, ranks, and company assignments for those who served in the regiment.
To view the complete roster, visit the 146th 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”
- Dyer, Frederick H. “A Compendium of the War of the Rebellion”
- Federal Publishing Company, “The Union Army,” Vol. 2 (1908)