When Earl Gustavis Griggs was born on 22 February 1878, in Sioux City, Woodbury, Iowa, United States, his father, James Madison Griggs, was 27 and his mother, Martha L. Rounds, was 17. He married Ellen Jane Herlihy Hurley on 22 February 1908, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 5 sons and 1 daughter. He lived in Salt Lake City Ward 2, Salt Lake City, Salt Lake, Utah, United States for about 30 years. He died on 17 March 1953, in Salt Lake City, Salt Lake, Utah, United States, at the age of 75, and was buried in Mount Olivet Cemetery, Salt Lake City, Salt Lake, Utah, United States.