This roster includes the known officers and enlisted men of the 31st Indiana 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 31st Indiana 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 –
Non-Commissioned Staff
- Sergeant Major –
- Quartermaster Sergeant –
- Commissary Sergeant –
- Hospital Steward –
- Principal Musician –
Company A
Company B
Company C
Company D
Company E
Company F
Company G
Company H
Company I
Company K
Unassigned Recruits
Some soldiers enlisted or transferred late in the regiment’s service and may not be assigned to a specific company in available records.
Consolidations or Transfers
Throughout its service, the 31st Indiana Infantry (Three Years’ Service) received recruits and reenlisted veterans. Some men may have transferred from or to other Indiana regiments as part of reenlistment or consolidation processes.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, various volumes and parts as relevant to Indiana regiments.
- State Adjutant General Report for Indiana (multiple years; consult volumes for detailed rosters and service notes).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Vol. 3.