Calvin Leon Irwin was born on December 17, 1959 in Tecumseh, Lenawee County, Michigan. He was the son of Robert and Madalyn (Downing) Irwin.

In 1958, he married Suzanne Lee "Sue" Wraight and they had two children:

  1. Jennifer Marie Irwin (1983-1983)

  2. Leland George Irwin

After the death of Suzanne, Therese Marie Villeneuve became his second wife on March 27, 2003.

Calvin died on May 31, 2023 at the age of 63 in Toledo, Ohio. He is buried in Ridgeway Cemetery in Ridgeway Township, Lenawee County, Michigan.