The 3rd Connecticut Light Artillery lost 4 enlisted men killed and 1 enlisted man to disease.
|August – October||Organized at New Haven|
|November 16-19||Moved to City Point, Va. Attached to defenses of City Point, Va., Dept. of Virginia and North Carolina occupying redoubts 2, 5, 7 and 8|
|December||Attached to Siege artillery, Army of the James and Army of the Potomac|
|January 24-25||Repulse of attack on City Point by rebel ironclads|
|June 23||Mustered out|