This roster includes the known officers and enlisted men of the 18th 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 18th 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 –
Company A
Company B
Company C
Company D
Company E
Company F
Company G
Company H
Company I
Company K
Non-Commissioned Staff
- Sergeant Major –
- Quartermaster Sergeant –
- Commissary Sergeant –
- Hospital Steward –
- Principal Musician –
Unassigned Recruits
Some soldiers enlisted or transferred late in the regiment’s service and were not assigned to specific companies in available records.
Consolidations or Transfers
Some members of the 18th Indiana Infantry (Three Years’ Service) were transferred to other units or consolidated at the end of their service. Details are noted where available in company or staff listings.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, relevant volumes and parts.
- State Adjutant General Report for Indiana (various years, volumes, and pages as available).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 3.