12th Maryland Volunteer Infantry Regiment

12th Maryland Volunteer Infantry Regiment Flag of Maryland.svg June to July, 1864 - November 14, 1864 United States Union Union Army Infantry Guard duty XIII Corps None John L. Bishop Lieutenant Colonel The 12th Maryland Volunteer Infantry Regiment, was an infantry regiment that served in the Union army during the American Civil War. It was among scores of regiments that were raised in the summer of 1864 as Hundred Days Men, an effort to augment existing manpower for an all-out push to end the war within 100 days. Service The regiment was organized from June to July, 1864, but only consisted of a battalion of five companies: A, B, C, D and E. After it was mustered into service, it was attached to the 1st Separate Brigade of VIII Corps.12th Maryland Infantry, US http://www.2ndmdinfantryus.org/usinf12.html 2026-06-13 www.2ndmdinfantryus.orgBattle Unit Details - The Civil War (U.S. National Park Service) https://www.nps.gov/subjects/civilwar/search-battle-units-detail.htm 2026-06-13 www.nps.gov en The 12th Maryland spent its service conducting guard duty on the Baltimore and Ohio Railroad, between Baltimore, Maryland and Kearneysville, West Virginia until November 1864.12th Maryland Infantry Regiment in the American Civil War https://civilwarintheeast.com/us-regiments-batteries/maryland/12th-maryland/ 2026-06-13 The Civil War in the East en-USMaryland 12th Volunteer Infantry (Union) - Regiment https://www.fold3.com/unit/137473/maryland-12th-volunteer-infantry-union-civil-war-stories 2026-06-13 Fold3 en-US The regiment was mustered out of service on November 14, 1864, those who chose to re-enlist were transferred to the 1st Maryland Eastern Shore Infantry Regiment.Archives of Maryland, Volume 0367, Page 0421 - History and Roster of Maryland Volunteers, War of 1861-6, Volume 1 https://msa.maryland.gov/megafile/msa/speccol/sc2900/sc2908/000001/000367/html/am367--421.html 2026-06-13 msa.maryland.gov Casualties During their term of service, the regiment lost two men to disease. Commanders Lieutenant Colonel John L. Bishophttp://archive.org/details/unionarmyhistory02madi The Union army; a history of military affairs in the loyal states, 1861-65 -- records of the regiments in the Union army -- cyclopedia of battles -- memoirs of commanders and soldiers 1908 Madison, Wis. Federal Publishing Company New York Public Library See also List of Union units from Maryland in the American Civil War Maryland in the American Civil War References Category:Units and formations of the Union army from Maryland Category:Military units and formations established in 1864 Category:Military units and formations disestablished in 1864 Category:Infantry regiments of the United States Army Category:1864 establishments in Maryland Category:1864 disestablishments in the United States