The regiment was attached to Engineer Brigade, Army of the Potomac, to January 12, 1865.
Provost Guard, Army of the Potomac, to March 1865.
3rd Brigade, 2nd Division, V Corps, Army of the Potomac, to June 1865.
The 8th Delaware Infantry mustered out of service June 5, 1865.
Ordered to City Point, Virginia, reporting there October 13, 1864.