This roster includes the known officers and enlisted men of the 4th Indiana Cavalry (Seventy-seventh Indiana Regiment), organized by Field & Staff and Companies A through M. 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 4th Indiana Cavalry (Seventy-seventh Indiana Regiment), these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
- Colonel Isaac P. Gray – Original commander; promoted.
- Colonel Lawrence S. Shuler – Promoted from Lieutenant Colonel.
- Colonel John A. Platter – Promoted from Major and Lieutenant Colonel.
- Colonel John T. Deweese – Promoted from Major and Lieutenant Colonel.
- Colonel Horace P. Lamson – Promoted from Major and Lieutenant Colonel.
- Lieutenant Colonel Joseph P. Lesslie – Killed in action.
- Lieutenant Colonel George H. Purdy – Promoted from Major.
- Major Nathan Earlywine
- Major Warren Horr
- Major Christopher C. Mason
- Major William T. Pepper
- Major John Austin
- Major Albert J. Morley
- Major Albert C. Rosencranz
Company A
Records for this company are incomplete in the surviving state adjutant general reports.
Company B
Records for this company are incomplete in the surviving state adjutant general reports.
Company C
Records for this company are incomplete in the surviving state adjutant general reports.
Company D
Records for this company are incomplete in the surviving state adjutant general reports.
Company E
Records for this company are incomplete in the surviving state adjutant general reports.
Company F
Records for this company are incomplete in the surviving state adjutant general reports.
Company G
Records for this company are incomplete in the surviving state adjutant general reports.
Company H
Records for this company are incomplete in the surviving state adjutant general reports.
Company I
Records for this company are incomplete in the surviving state adjutant general reports.
Company K
Records for this company are incomplete in the surviving state adjutant general reports.
Company L
Records for this company are incomplete in the surviving state adjutant general reports.
Company M
Records for this company are incomplete in the surviving state adjutant general reports.
Non-Commissioned Staff
Some details are incomplete in surviving primary sources.
Unassigned Recruits
Some details are incomplete in surviving primary sources.
Consolidations or Transfers
Company C served as General A. J. Smith’s escort during part of the war, participating in the Vicksburg and Red River campaigns before rejoining the regiment in 1864.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, various volumes and parts as relevant to the 4th Indiana Cavalry.
- State Adjutant General Report for Indiana (various years and volumes; rosters and service details).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 3.