1st Maryland Light Artillery, Battery D

February 29, 1864

Organized at Baltimore, Md. Attached to 3rd Separate Brigade, 8th Army Corps, Middle Department for duty in the Defenses of Baltimore, Md.

June

In the Defenses of Washington south of the Potomac. Stationed at Forts Tillinghast, Lyon, Willard, Richardson, Ward, Barnard, C. F. Smith and Whipple. Assigned to 3rd Brigade, DeRussy's Division, 22nd Army Corps, Defenses of Washington, D.C.

June, 1864

Assigned to 4th Brigade, DeRussy's Division, 22nd Army Corps

October

Assigned to 3rd Brigade, DeRussy's Division, 22nd Army Corps

February, 1865

Assigned to 1st Brigade, DeRussy's Division, 22nd Army Corps

June 24, 1865

Mustered out