When Ivan Roy Hooper was born on 23 February 1931, in Grays Harbor, Washington, United States, his father, Roy Thomas Hooper, was 28 and his mother, Vella Robison, was 22. He married Gwen Sylvia Terrill in October 1952, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 1 son and 1 daughter. He lived in Portland, Multnomah, Oregon, United States in 1986. He registered for military service in 1950. He died on 7 April 1986, in Seaside, Clatsop, Oregon, United States, at the age of 55, and was buried in Willamette National Cemetery, Portland, Multnomah, Oregon, United States.