This roster includes the known officers and enlisted men of the 40th New York Infantry, organized by Field & Staff and companies when available. 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 40th New York Infantry, these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
- Colonel Edward J. Riley
- Colonel Thomas W. Eagan
- Colonel Madison M. Cannon
- Lieutenant Colonel Thomas W. Eagan
- Lieutenant Colonel Nelson A. Gesner
- Lieutenant Colonel P. Allen Lindsay
- Lieutenant Colonel Augustus J. Warner
- Lieutenant Colonel Madison M. Cannon
- Lieutenant Colonel Thomas Crawford
- Major Richard T. Halstead
- Major Albert S. Ingalls
- Major P. Allen Lindsay
- Major Augustus J. Warner
- Major Emmons F. Fletcher
- Major Madison M. Cannon
- Major Thomas Crawford
- Major Augustus W. Keene
Detailed company-level roster entries are not included in the currently supplied source text.
Sources & Notes
- Official Records of the War of the Rebellion
- New York State Adjutant General Reports
- The Union Army, Federal Publishing Company, 1908
- Other verified 19th-century regimental histories