George Mitchell was born in Buckhaven, Fife on 16 May 1914, the son of William and Mary Mitchell (nee Hamilton). On 14 March 1944, Petty Officer Telegraphist George Mitchell arrived in the USA from Casablanca together with Lieutenant Edward Walter Zappert and they both joined the Free French Submarine FFS LA PERLE as liaison crew. The Submarine was refitting in an American Shipyard.
George Mitchell died on 8 July 1944 when the Submarine was sunk with all hands in the Atlantic while returning from refitting in the United States, LA PERLE was mistaken for a U-boat by an aircraft and was sunk. He was the husband of Lily Mitchell (nee Scott) of Plymouth, and he is commemorated on the Plymouth Naval Memorial on Panel No. 88, Column No. 3.