William Allen Heizer Obituary
It is with deep sorrow that we announce the death of William Allen Heizer of Waterloo, Illinois, who passed away on February 11, 2026, at the age of 76, leaving to mourn family and friends. Family and friends can send flowers and/or light a candle as a loving gesture for their loved one. Leave a sympathy message to the family in the guestbook on this memorial page of William Allen Heizer to show support.
He was predeceased by: his parents, Leo J. Heizer and Rosalie "Sally" A. Heizer; and his siblings, Robert Heizer and Mary Catherine Heizer. He is survived by: his wife Diane Heizer; his children, Christopher Heizer (Michelle) of Imperial, Jason Heizer (Kelly) of Saint Peters and Sarah Heizer (John Reed) of Waterloo, Illinois.; his grandchildren, Taylor Heizer (Jeremiah Wall), Nicholas Heizer, Brooke Heizer and Carson Heizer; and his siblings, Joan Stork (Ronald) of Sparta and John Heizer (Carol) of Jackson. He is also survived by nieces, nephews, and friends.
Visitation was held on Monday, February 16th 2026 from 4:00 PM to 8:00 PM and on Tuesday, February 17th 2026 from 10:00 AM to 11:00 AM. A funeral service was held on Tuesday, February 17th 2026 from 11:00 AM to 11:45 AM at the Immanuel Lutheran Church (522 S Church St, Waterloo, IL 62298). A burial was held on Tuesday, February 17th 2026 from 12:30 PM to 1:00 PM at the Jefferson Barracks National Cemetery (2900 Sheridan Rd, St. Louis, MO 63125).
