When Don Everette Foust was born on 28 April 1902, in Indiana, United States, his father, Dr Philip Foust, was 29 and his mother, Kathryn E Mullett, was 29. He married Gertrude Cox on 9 April 1921, in Wabash, Indiana, United States. They were the parents of at least 1 son and 2 daughters. He lived in Peru, Miami, Indiana, United States in 1921 and Wabash, Wabash, Indiana, United States for about 10 years. He died on 17 January 1970, at the age of 67, and was buried in Wabash, Wabash, Indiana, United States.