When John Wendell Coombs was born on 29 January 1905, in Salt Lake City, Salt Lake, Utah, United States, his father, John Hardy Coombs, was 28 and his mother, Prudence Merle Halliday, was 25. He married Norma Druk on 7 March 1929, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 1 son. He lived in Salt Lake, Utah, United States in 1905 and Salt Lake City Ward 4, Salt Lake City, Salt Lake, Utah, United States for about 10 years. He died on 7 August 1998, in Novato, Marin, California, United States, at the age of 93, and was buried in Novato, Marin, California, United States.