This roster includes the known officers and enlisted men of the 4th 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.
Tip: To search for a soldier’s name on this page, use Ctrl + F (Windows) or Command + F (Mac).
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 4th Ohio Infantry (Three Years’ Service), these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
- Colonel –
- Lieutenant Colonel –
- Major –
- Adjutant –
- Quartermaster –
- Surgeon –
- Assistant Surgeon –
- Chaplain –
Company A
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company B
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company C
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company D
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company E
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company F
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company G
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company H
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company I
- Captain –
- First Lieutenant –
- Second Lieutenant –
Company K
- Captain –
- First Lieutenant –
- Second Lieutenant –
Non-Commissioned Staff
- Sergeant Major –
- Quartermaster Sergeant –
- Commissary Sergeant –
- Hospital Steward –
- Principal Musician –
Unassigned Recruits
Some recruits and late enlistees may not be assigned to a specific company in surviving records. Their names will be listed here when available.
Consolidations or Transfers
After June 21, 1864, the veterans and recruits of the 4th Ohio Infantry (Three Years’ Service) were consolidated with those of the 8th Ohio Infantry to form the 4th Battalion Ohio Infantry. For further details, see the regiment summary page.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, relevant volumes and parts.
- State Adjutant General Report for Ohio (various years and volumes).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- Regimental history: “The Union Army” by Federal Publishing Company, 1908, Volume 2.