12th Vermont Infantry
Organization and Service (Dyer's Compendium)
Organized at Brattleboro October 4, 1862, for nine months. Moved to Washington, District of Columbia, October 7-10, 1862. Attached to 2nd Brigade, Abercrombie's Division, Military District of Washington, to February, 1863. 2nd Brigade, Casey's Division, 22nd Army Corps, to April, 1863. 2nd Brigade, Abercrombie's Division, 22nd Corps, to July, 1863. 3rd Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, to muster out.
SERVICE.--Camp on East Capital Hill, Washington, to Oct. 30, 1862. Moved to Munson's Hill Oct. 30, thence to Hunting Creek Oct. 31. At Camp VT, near Hunting Creek, until Dec. 12. Picket duty near Fairfax C.H. Dec. 12, 1862, to Jan. 20, 1863. Defence of Fairfax C.H. from attack by Stuart's Cavalry Dec. 29, 1862. Duty at Wolf Run Shoals Jan. 20 to May 1. Guard railroad at Warrenton Junction until May 7 and at Rappahannock Station until May 18. At Bristoe and Catlett's until Jun. 1. At Union Mills until Jun. 25. Mar. to Gettysburg, Pennsylvania, Jun. 25-Jul. 1. Detached at Westminster as train guard until Jul. 4. Guard prisoners to Baltimore Jul. 4-6. Moved to Brattleboro Jul. 6-9, and there mustered out Jul. 14, 1863.
Regiment lost during service: 63 men died from disease. Total 63.
Source: Frederick H. Dyer, A compendium of the War of the Rebellion: compiled and arranged from official records of the federal and Confederate armies, reports of the adjutant generals of the several states, the army registers, and other reliable documents and sources, (Dyer Pub. Co., Des Moines, IA, 1908), Part 3, pp. 1647-1654.