Overview
The 172nd Ohio Infantry (One Hundred Days’ Service) was an infantry regiment organized in Ohio for the Union Army during the American Civil War. The regiment was mustered into service at Gallipolis, Ohio, on May 14, 1864, for a term of 100 days. It served exclusively within the state, performing guard duty throughout its brief existence.
This unit is distinct from other Ohio infantry regiments with different service terms.
Organization & Service
The 172nd Ohio Infantry (One Hundred Days’ Service) was organized at Gallipolis, Ohio, on May 14, 1864. The regiment was composed of companies drawn from several Ohio National Guard battalions: the 47th Battalion from Guernsey County, part of the 40th Battalion from Brown County, the 84th Battalion from Adams County, and the 77th Battalion from Jackson County. Upon organization, the regiment was assigned to guard duty at Gallipolis, Ohio, and remained stationed there for the entirety of its service. The 172nd Ohio Infantry did not participate in any field campaigns or major battles. The regiment was mustered out of service on September 3, 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
- Guard duty at Gallipolis, Ohio (May–September 1864)
Casualties
Specific casualty figures for the 172nd Ohio Infantry (One Hundred Days’ Service) are not detailed in primary sources. The regiment did not participate in combat operations, and losses, if any, would have been due to disease or other non-combat causes.
Field Officers & Commanders
- Colonel John Ferguson
- Lieutenant Colonel Henry M. Carver
- Major Joshua K. Brown
Regimental Roster
The full roster of the 172nd Ohio Infantry (One Hundred Days’ Service), including officers and enlisted men, is available for genealogical and historical research. For a complete listing of soldiers who served in this regiment, please visit the 172nd Ohio Infantry (One Hundred Days’ Service) Roster page.
Sources & References
- The War of the Rebellion: Official Records of the Union and Confederate Armies
- 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)