When William Carl McCollum Jr was born on 13 July 1926, in Oklahoma City, Oklahoma, Oklahoma, United States, his father, William CARL McCollum, was 24 and his mother, Margaret Louise Mohr, was 22. He married Ida Lorraine Sheppard on 12 November 1955, in Twin Falls, Twin Falls, Idaho, United States. He died on 19 July 2001, in Clovis, Fresno, California, United States, at the age of 75, and was buried in Fresno Memorial Gardens, Fresno, Fresno, California, United States.