This roster includes the known officers and enlisted men of the 77th Ohio Infantry (Three Years’ Service), organized by Field & Staff and Companies A through K. 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 77th Ohio Infantry (Three Years’ Service), these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
Some details are incomplete in surviving primary sources.
- Colonel Jesse Hildebrand – Original commanding officer; service notes available in state adjutant general reports.
- Colonel William B. Mason – Later commanding officer; details on promotions and service in official records.
- Lieutenant Colonel Wills De Hass – Service and muster details recorded in regimental history.
- Lieutenant Colonel William E. Stevens – Served in field and staff; see adjutant general reports for further information.
- Major Benjamin D. Fearing – Muster and service notes available in state records.
Company A
Some details are incomplete in surviving primary sources.
Company B
Some details are incomplete in surviving primary sources.
Company C
Some details are incomplete in surviving primary sources.
Company D
Some details are incomplete in surviving primary sources.
Company E
Some details are incomplete in surviving primary sources.
Company F
Some details are incomplete in surviving primary sources.
Company G
Some details are incomplete in surviving primary sources.
Company H
Some details are incomplete in surviving primary sources.
Company I
Some details are incomplete in surviving primary sources.
Company K
Some details are incomplete in surviving primary sources.
Consolidations or Transfers
On January 17, 1865, the 77th Ohio Infantry (Three Years’ Service) was consolidated into a battalion of six companies, composed of veterans and recruits, and retained in service until final muster out on March 8, 1866. Some original companies were merged or disbanded during this process.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, Volumes 10, 13, and others as relevant.
- State Adjutant General Report for Ohio (various years, volumes, and pages covering the 77th Infantry).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 2.