The 122nd Ohio Infantry Regiment was a volunteer infantry unit that served in the Union Army during the American Civil War.
Organization and Muster
- The regiment was organized at Zanesville, Ohio.
- It was mustered into federal service in August 1862 for a term of three years.
Service History
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After formation, the regiment was assigned to the Department of the Ohio and later to the Army of the Cumberland.
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It operated primarily in the Western Theater of the war, taking part in a series of campaigns that included:
- The Knoxville Campaign (November 1863 – January 1864) in East Tennessee.
- The Atlanta Campaign (May – September 1864), during which the regiment advanced through northern Georgia as part of the Union forces that captured Atlanta.
- Sherman's March to the Sea (November – December 1864), moving from Atlanta to Savannah, Georgia.
- The Carolinas Campaign (February – April 1865), culminating in the occupation of Raleigh, North Carolina.
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Throughout its service the regiment remained attached to various brigades within the XIV and XX Corps of the Army of the Cumberland.
Command
- The regiment was led by a colonel and assisted by a lieutenant colonel and major, as was typical for Union infantry regiments. Specific names of commanding officers are recorded in official military rosters.
Demobilization
- The 122nd Ohio Infantry completed its term of service and was mustered out on 25 June 1865 in Nashville, Tennessee.
Legacy
- Veterans of the regiment participated in post‑war veteran organizations, and its service is documented in the Official Records of the War of the Rebellion and in state historical archives.
All information presented is drawn from standard historical sources such as the Official Records, state regimental histories, and the compiled service rosters of Ohio volunteer units.
