Frederick A. Phillips, wounded, and left at Antietam.
Henry A. Pratt, left at Washington.
Theodore Reichardt, promoted to corporal. Returned with the battery.
Adolphus Reichardt, wounded and left at Bull Run.
William H. Rider, promoted to corporal, and wounded and left at Gettysburg.
Richard Remington, left at Poolesville.
Robert Rawbottom, promoted to corporal; sergeant. Returned with battery.
Robert Raynor, promoted to corporal. Returned with battery.
Edward Shaw, promoted to corporal. Returned with battery.
Thomas W. Sayles, left the battery at Yorktown.