This roster includes the known officers and enlisted men of the 21st Ohio Independent Battery Light Artillery (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.
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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 21st Ohio Independent Battery Light Artillery (Three Years’ Service), these resources may provide additional historical detail, including regimental histories and Civil War reference works.
Field & Staff
- Captain James W. Patterson – Original commanding officer; mustered in April 29, 1863; led detachment to West Virginia in May 1863.
- Captain James H. Walley – Later commanding officer; service details in adjutant general reports.
- First Lieutenant Harrison L. Holloway – Service noted in state records.
- First Lieutenant William H. H. Smith – Service noted in state records.
- Second Lieutenant Morton J. Raymond – Service noted in state records.
- Second Lieutenant William D. Mann – Service noted in state records.
Company A
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company B
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company C
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company D
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company E
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company F
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company G
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company H
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company I
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Company K
This battery was not organized by lettered companies; all enlisted men served under the Field & Staff. Individual names and service details are recorded in the state adjutant general reports.
Sources & Notes
- Official Records of the War of the Rebellion, Series I, relevant volumes and parts covering Ohio artillery units.
- State Adjutant General Report for Ohio (various years, volumes covering artillery batteries).
- Dyer’s Compendium.
- Fox, “Regimental Losses in the American Civil War.”
- The Union Army, Federal Publishing Company, 1908, Volume 2.