

He was born in Orange, California to Floyd and Dorothe Hilzer in 1940. Eventually the family moved to Colorado, where he graduated from Denver Christian High School in 1958. He began a working career that he thoroughly enjoyed at Natkin Mechanical Contractors in 1960 and retired from there in 2002.
Terry was preceded in death by his parents, and his beloved son, Derek. He is survived by his wife of 64 years, Sharon, his daughters Shelly Haynes (Willis) and Sandra Randall, his grandchildren Alycia Wilson and Levi Swanson, and his sister, Jeri Engler.
He was sincerely loved and will be thoroughly missed.
A private graveside service was held on November 24, 2025.
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