United States Regiments & Batteries > Maryland

The 1st Maryland Infantry Regiment, Potomac Home Brigade lost 3 officers and 42 enlisted men killed or mortally wounded and 1 officer and 85 enlisted men by disease during the Civil War. It is honored by a monument at Gettysburg.

August 15 to
December 13
Organized at Frederick City, Md.; Attached to Banks’ Division, Army of the Potomac; Railroad guard duty
March, 1862 Unassigned, Banks’ 5th Corps, and Dept. of the Shenandoah
March 7-12 Advance on Winchester, Va.
March 27 Strasburg
April – May Assigned to the Railroad District, Middle Department;
Guarding Baltimore & Ohio Railroad
May 24 Concentrated at Harper’s Ferry
May 27
Action at Loudon Heights
May 28-30 Defense of Harper’s Ferry
July Attached to Railroad District, 8th Army Corps, Middle Dept.; Guard Baltimore & Ohio Railroad
September Attached to Annapolis, Md., 8th Army Corps
September 4
Action at Monocacy Aqueduct
September 5 Poolesville; Concentrated at Sandy Hook and march to Harper’s Ferry
September 12-15 Siege of Harper’s Ferry
September 13 Maryland Heights
September 14-15
Harper’s Ferry
September 15 Surrendered with the garrison of Harpers Ferry
September 16 Paroled and sent to Annapolis, Md.
March Attached to 1st Separate Brigade, 8th Army Corps; when exchanged, assigned to duty on the Potomac in Southern Maryland
June Attached to Lockwood’s Brigade, 8th Army Corps
June 14 Martinsburg; At Point Lookout
June Joined Lockwood’s Brigade
June 25-July 2 March to Gettysburg
July, 1863 Attached to 2nd Brigade, 1st Division, 12th Army Corps, Army of the Potomac
July 2-3
Battle of Gettysburg

The regiment was commanded by Colonel William P. Maulsby.

From the monument on Culp’s Hill at Gettysburg:

Effective strength 739. Casualties, killed 23, wounded 80, missing 1, total 104

July 5-24 Pursuit of Lee
July Attached to 2nd Brigade, Maryland Heights, Division West Virginia
July Guard duty on Baltimore Ohio Railroad in Maryland and Virginia
December Attached to 2nd Brigade, 1st Division, West Virginia
April Attached to Reserve Division, Harper’s Ferry, W. Va.
June and July

Operations against Early’s invasion of Maryland

June 29 Duffield Station
July 9
Battle of Monocacy
July 1864 Moved from Monocacy to Harper’s Ferry, W. Va., and duty in that district
August – December Non-veterans and recruits mustered out at expiration of terms
January Attached to 3rd Brigade, 3rd Division, West Virginia
April 8 Recruited to a full Regiment and designation changed to 13th Maryland Infantry