The 122nd Pennsylvania Infantry Regiment lost 16 enlisted men killed and mortally wounded and 1 officer and 42 enlisted men to disease during the Civil War.

1862
August 12 Organized at Harrisburg
August 15-16 Moved to Washington, D.C. and attached to Casey’s Command, Defenses of Washington. Duty in the Defenses of Washington at Fort Richardson, Cloud’s Mills, near Georgetown, and at Fairfax Court House
October 11-19 Moved to Point of Rocks, Md., thence to Pleasant Valley
October 24-November 16 Movement toward Warrenton, Va.
November 5-6 Reconnaissance to and skirmish at Manassas Gap
November 18-24 Movement to Falmouth, Virginia.¬†Attached to¬†Piatt’s 1st Brigade, Whipple’s 3rd Division, 3rd Army Corps, Army of the Potomac
December 12-15
Battle of Fredericksburg
1863
January 20-24 Burnside’s 2nd Campaign, “Mud March”
February-April Duty near Falmouth
April 27-May 6 Chancellorsville Campaign
May 1-5 Battle of Chancellorsville
May 8 Moved to Washington and escort to General Whipple’s funeral
May 16 Mustered out