Constance Thullen Obituary
We are sad to announce that, on July 5, 2025, at the age of 76, Constance Thullen of Saint Charles, Illinois passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Casimir and Bernice. She is survived by: her husband John Thullen; her son Matthew Kustusch (Kelly); her stepchildren, Matthew Thullen (Lila) and Angela Baker (William); and her grandchildren, Connor, Tyler, Eli, Maggie, Lucille, Frances, Isaiah and Lena.
In lieu of flowers, please consider a donation to the DePaul University general scholarship fund.
