When Boyd Bruce Bennion was born on 31 August 1906, in Brant, Vulcan County, Alberta, Canada, his father, Edgar Bennion, was 29 and his mother, Effie Mae Moore, was 25. He married Mabel Ella Peoples on 14 April 1928. They were the parents of at least 1 son and 2 daughters. He died on 12 May 1984, in Cody, Park, Wyoming, United States, at the age of 77, and was buried in Meeteetse, Park, Wyoming, United States.