18th Ohio Infantry – 3 Months Service Soldier Roster ​in the American Civil War

This roster includes the known officers and enlisted men of the 18th Ohio Infantry (Three Months’ 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 18th Ohio Infantry (Three Months’ Service), these resources may provide additional historical detail, including regimental histories and Civil War reference works.

Field & Staff

  • Colonel Timothy R. Stanley – Mustered in May 29, 1861; commanded regiment during its three months’ service.
  • Lieutenant Colonel William M. Bolles – Mustered in May 29, 1861.
  • Major William H. Bisbee – Mustered in May 29, 1861.

Company A

  • Captain – Mustered in May 27, 1861, at Camp Scott, Athens; company enrolled at Ironton April 22.

Company B

  • Captain – Mustered in May 28, 1861, at Parkersburg, W. Va.; company enrolled at Marietta April 17.

Company C

  • Captain – Mustered in May 28, 1861; company enrolled at Ironton April 22.

Company D

  • Captain – Mustered in May 28, 1861; company enrolled at McArthur April 18.

Company E

  • Captain – Mustered in May 28, 1861; company enrolled at Ironton April 22.

Company F

  • Captain – Mustered in May 28, 1861; company enrolled at Gallipolis April 22.

Company G

  • Captain – Mustered in May 29, 1861, at Parkersburg, W. Va.; company enrollment date not specified in available sources.

Company H

  • Captain – Mustered in May 27, 1861; company enrollment date not specified in available sources.

Company I

  • Captain – Mustered in May 27, 1861; company enrolled at Jackson April 24.

Company K

  • Captain – Mustered in May 26, 1861, at Camp Scott, Athens; company enrolled at Beverly April 23.

Sources & Notes

  • Official Records of the War of the Rebellion, Series I, relevant volumes and pages.
  • State Adjutant General Report for Ohio (various years, volumes, and pages as applicable).
  • Dyer’s Compendium.
  • Fox, “Regimental Losses in the American Civil War.”
  • The Union Army, Federal Publishing Company, 1908, Volume 2.
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