District of Columbia (Washington):
2nd Regiment, District of Columbia Infantry:
s. Pvt Alonzo *Ames (Co E)
Organized at Washington, D.C., February 26, 1862. Attached to Sturgis' Brigade, Military District of Washington, D.C. to February, 1863, and 22nd Army Corps, Dept. of Washington, to March, 1864. 1st Brigade, Tyler's Division, 22nd Army Corps, to May, 1864. District of Alexandria, 22nd Army Corps, to September, 1865.
Duty in the Defences of Washington and Alexandria entire term except participated in the Maryland Campaign September 6-22, 1862. Attached temporarily to 2nd Brigade, 1st Division, 5th Army Corps, Army of the Potomac. Battle of Antietam September 16-17. Sharpsburg, Shepherdstown Ford and near Williamsport September 19. Near Shepherdstown September 20. Mustered out September 12, 1865.
6th Battalion, District of Columbia Infantry (3 months, 1861):
s. Pvt George W. *Downing (Co. F)
"Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
8th Battalion, District of Columbia Infantry (3 months, 1861):
s. Major (Captain) Arthur *Balbach (Co. H)
Organized at Washington, D. C., for the defence of that city April, 1861. Attached to Mansfield's Command, Dept. of Washington, D. C., to June, 1861. Rockville Expedition to July, 1861.
Duty in the Defences of Washington, D.C., till June, 1861. Expedition to Rockville, Md., June 10-July 7. Action at Seneca Mills June 17. Great Falls July 7. Mustered out July, 1861.