When Bertie Donald Willes was born on 12 November 1889, in Heber City, Wasatch, Utah, United States, his father, William Sydney Willes, was 31 and his mother, Mary Lorintha Clyde, was 27. He married Florence Sophia Wootton on 13 April 1910, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 2 sons and 2 daughters. He lived in Silver City, Juab, Utah, United States in 1920 and Salt Lake City Ward 6, Salt Lake City, Salt Lake, Utah, United States in 1940. He died on 12 December 1970, in Salt Lake City, Salt Lake, Utah, United States, at the age of 81, and was buried in Heber City Cemetery, Heber City, Wasatch, Utah, United States.