William John Hartnett Obituary
The passing of William John Hartnett (Des Plaines, Illinois) occurred on July 17, 2026. William, born on August 20, 1944, is remembered by those who knew him. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
William touched many lives and will be remembered fondly for the moments shared and the memories created. Family, friends, and colleagues extend their love and support during this time. While William’s presence will be missed, the influence he had on others will remain. Those who knew him will carry forward memories that reflect his character and spirit.
He was predeceased by: his significant other Patricia Anne Hartnett; and his parents, John Joseph Hartnett and Helen Gladys Bell Hartnett. He is survived by: his children, Laura Jayshree Hartnett (Richard Meaney), Patrick John Hartnett (Lorraine Hartnett) and John Charles Hartnett (Mary Hartnett); his grandchildren, Riley Hartnett, Alessia Hartnett, Fallon Hartnett and Aiden Hartnett; his stepsiblings, Marnie and Paul Thompson; and his cousins, Anne and Mike Curran.
