This roster includes the known officers and enlisted men of the 3rd Ohio Cavalry (Three Years’ Service), organized by Field & Staff and Companies A through M. Information is drawn from 19th-century state adjutant general reports, the Official Records, and verified regimental histories.
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For an overview of this regiment’s organization, service, engagements, and casualties, see the regiment summary page.
Research This Regiment
If you’re researching ancestors in the 3rd Ohio Cavalry (Three Years’ Service), these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
- Colonel Louis Zahm – Original commanding officer; mustered in 1861.
- Colonel James W. Paramore – Promoted from Lieutenant Colonel; later commanded the regiment.
- Colonel Charles B. Seidel – Later commander.
- Colonel Horace N. Howland – Later commander.
- Lieutenant Colonel Douglas A. Murray – Served as second-in-command.
- Lieutenant Colonel Darius E. Livermore – Served as second-in-command.
- Major John H. Foster – Field officer.
- Major James S. Brisbin – Field officer.
- Major Charles W. Skinner – Field officer; notable for recruiting efforts in 1864.
- Major Leonard Adams – Field officer.
- Major Thomas D. McClelland – Field officer.
- Major Martin Archer – Field officer.
- Major Francis P. Gates – Field officer.
Company A
Records for this company are incomplete in the surviving state adjutant general reports.
Company B
Records for this company are incomplete in the surviving state adjutant general reports.
Company C
Records for this company are incomplete in the surviving state adjutant general reports.
Company D
Records for this company are incomplete in the surviving state adjutant general reports.
Company E
Records for this company are incomplete in the surviving state adjutant general reports.
Company F
Records for this company are incomplete in the surviving state adjutant general reports.
Company G
Records for this company are incomplete in the surviving state adjutant general reports.
Company H
Records for this company are incomplete in the surviving state adjutant general reports.
Company I
Records for this company are incomplete in the surviving state adjutant general reports.
Company K
Records for this company are incomplete in the surviving state adjutant general reports.
Company L
Records for this company are incomplete in the surviving state adjutant general reports.
Company M
Records for this company are incomplete in the surviving state adjutant general reports.
Non-Commissioned Staff
Some details are incomplete in surviving primary sources.
Unassigned Recruits
Some details are incomplete in surviving primary sources.
Consolidations or Transfers
Some details are incomplete in surviving primary sources.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, relevant volumes and parts covering the Army of the Cumberland and Western Theater cavalry operations.
- State Adjutant General Report for Ohio (various years, volumes covering cavalry regiments, 1861–1865).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 2.