Overview
The 155th Indiana Infantry (One Year’s Service) was an infantry regiment organized in Indiana for Union service during the final months of the American Civil War. The regiment was formed in response to a call for one-year regiments issued in December 1864. It was organized at Indianapolis in April 1865 and mustered into Federal service on April 18, 1865. The 155th Indiana served primarily in the Eastern Theater, performing post and garrison duties in Virginia, Delaware, and Maryland.
This regiment is distinct from Indiana infantry regiments of other service terms.
Organization & Service
The 155th Indiana Infantry (One Year’s Service) was composed of companies recruited from Indiana’s 9th, 10th, and 11th districts. The regiment was organized at Indianapolis and mustered in on April 18, 1865, under the command of Colonel John M. Wilson, Lieutenant Colonel John D. McKahin, and Major John C. Scantling. The regiment departed Indiana on April 26, 1865, and proceeded to Washington, D.C.
Upon arrival, the 155th Indiana was sent to Alexandria, Virginia, where it was assigned to the Provisional Brigade, 3rd Division, 9th Army Corps. On May 3, 1865, the regiment was transferred to Dover, Delaware. While stationed at Dover, companies were detached for duty at Centerville and Wilmington, Delaware, as well as Salisbury, Maryland. The regiment was later consolidated at Dover and mustered out of service on August 4, 1865.
Research This Regiment Further
If you’d like to explore this unit’s history in more depth, regimental histories and Civil War reference works offer valuable detail.
Engagements & Campaigns
- Post and garrison duty at Alexandria, Virginia (April–May 1865)
- Post and garrison duty at Dover, Delaware (May–August 1865)
- Detachments served at Centerville and Wilmington, Delaware, and Salisbury, Maryland
Casualties
- Loss by death: 15
- Deserted: 68
- Unaccounted for: 7
- Original strength: 941; gain by recruits: 72; total: 1,013
Field Officers & Commanders
- Colonel John M. Wilson
- Lieutenant Colonel John D. McKahin
- Major John C. Scantling
Regimental Roster
The full roster of the 155th Indiana Infantry (One Year’s Service), including officers and enlisted men, is available for genealogical and historical research. This roster provides names, ranks, and company assignments for those who served in the regiment.
To view the complete roster, visit the 155th Indiana Infantry (One Year’s Service) Roster page.
Sources & References
- Official Records of the Union and Confederate Armies, Series I, relevant volumes
- Indiana Adjutant General’s Report
- Dyer, Frederick H. Compendium of the War of the Rebellion
- Federal Publishing Company, The Union Army, Vol. 3 (1908)