When Ralph Leslie Rogerson was born on 16 December 1918, in West Weber, Weber, Utah, United States, his father, Charles Leslie Rogerson, was 31 and his mother, Mary Ellen Smith, was 33. He married Helen Mildred Lazar on 7 April 1947. They were the parents of at least 1 son. He lived in Roy, Weber, Utah, United States in 1930. He registered for military service in 1941. He died on 21 May 1997, in Ogden, Weber, Utah, United States, at the age of 78, and was buried in Ogden, Weber, Utah, United States.