When Gilbert Edward Mitchell was born on 22 August 1920, in Baltimore, Maryland, United States, his father, Raymond Thomas Mitchell, was 23 and his mother, Delmar Anna Thomas, was 20. He had at least 1 son with Marjorie Violet Quigley. He lived in Baltimore, Baltimore, Maryland, United States for about 20 years and Linthicum, Anne Arundel, Maryland, United States in 2001. He died on 7 October 2002, in Laurel, Sussex, Delaware, United States, at the age of 82.