This roster includes the known officers and enlisted men of the 125th 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 125th 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 Emerson Opdycke – Commanded regiment; present at major engagements.
- Lieutenant Colonel Henry B. Banning – Promoted from major; served in field and staff roles.
- Lieutenant Colonel David H. Moore – Served as lieutenant colonel; dates of service noted in adjutant general reports.
- Lieutenant Colonel Joseph Bruff – Later promoted; service details in state records.
- Major George L. Wood – Served as major; present during key campaigns.
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.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, relevant volumes and parts.
- State Adjutant General Report for Ohio (years 1862–1865; volumes and pages as applicable).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 2.