Second Award: Served as quartermaster on Acting Rear Adm. Thatcher's staff. During the terrific fire at Mobile, on 26 April 1865, at the risk of being blown to pieces by exploding shells, Cooper advanced through the burning locality, rescued a wounded man from certain death, and bore him on his back to a place of safety.
John L. Cooper's birth name was John Laver Mather. He changed his last name to "Cooper" when he enlisted.