Organized from Veterans 1st Potomac Home Brigade Infantry March 1, 1865. Designated 13th Regiment Infantry April 8, 1865. Attached to 1st Brigade, 2nd Infantry Division, West Virginia. Assigned to duty at Martinsburg, W. Va., and on Baltimore & Ohio Railroad from Martinsburg to Harper's Ferry. Mustered out May 29, 1865.
1st REGIMENT POTOMAC HOME BRIGADE INFANTRY.
Organized at Frederick City, Md., August 15 to December 13, 1861. Attached to Banks' Division, Army of the Potomac, to March, 1862. Unassigned, Banks' 5th Corps, and Dept. of the Shenandoah to May, 1862. Railroad District, Middle Department, to July, 1862. Railroad District, 8th Army Corps, Middle Dept., to September, 1862. Annapolis, Md., 8th Army Corps, to March, 1863. 1st Separate Brigade, 8th Army Corps, to June, 1863. Lockwood's Brigade, 8th Army Corps, to July, 1863. 2nd Brigade, 1st Division, 12th Army Corps, Army of the Potomac, July, 1863. 2nd Brigade, Maryland Heights, Division West Virginia, to December, 1863. 2nd Brigade, 1st Division, West Virginia, to April, 1864. Reserve Division, Harper's Ferry, W. Va., to January, 1865. 3rd Brigade, 3rd Division, West Virginia, to April, 1865.
Railroad guard duty till March, 1862. Advance on Winchester, Va., March 7-12. Strasburg March 27. Guarding Baltimore & Ohio Railroad till May. Concentrated at Harper's Ferry May 24, and action at Loudon Heights May 27. Defence of Harper's Ferry May 28-30. Guard Baltimore & Ohio Railroad till September. Action at Monocacy Aqueduct September 4. Poolesville September 5. Concentrated at Sandy Hook and march to Harper's Ferry. Siege of Harper's Ferry September 12-15. Maryland Heights September 13. Harper's Ferry September 14-15. Surrendered September 15 and paroled September 16. Sent to Annapolis, Md., and when exchanged assigned to duty on the Potomac in Southern Maryland to June, 1863. Martinsburg June 14. At point Lookout June-Joined Lockwood's Brigade and march to Gettysburg, Pa., June 25-July 2. Battle of Gettysburg July 2-3. Pursuit of Lee July 5-24. Guard duty on Baltimore & Ohio Railroad in Maryland and Virginia till May, 1864. Operations against Early's invasion of Maryland June and July. Duffield Station June 29. Battle of
Monocacy July 9. Moved from Monocacy to Harper's Ferry, W. Va., and duty in that district till April, 1865. Mustered out August to December, 1864. Recruited to a full Regiment and designation changed to 13th Maryland Infantry April 8, 1865, which see.
Regiment lost during service 3 Officers and 42 Enlisted men killed and mortally wounded and 1 Officer and 85 Enlisted men by disease. Total 131.