When John George Boulter was born on 8 April 1884, in Draper, Salt Lake, Utah, United States, his father, Joseph Munro Boulter, was 21 and his mother, Elizabeth Ann Newbold, was 18. He married Lillian Ethel Mack on 20 January 1920. They were the parents of at least 2 daughters. He died on 23 July 1974, in Oshkosh, Garden, Nebraska, United States, at the age of 90.