When Charles Otto Frey was born on 25 April 1914, in Flint, Genesee, Michigan, United States, his father, Otto Carl Frey, was 28 and his mother, Emma M. C. Zink, was 37. He married Dora Alice Powell on 30 December 1939, in Wood, Ohio, United States. They were the parents of at least 2 daughters. He lived in Burton, Genesee, Michigan, United States in 1940. He died on 22 December 2002, at the age of 88.