Heidi Ann Thessin Obituary

With solemn hearts, we announce the passing of Heidi Ann Thessin (Fort Wayne, Indiana), born in Milwaukee, Wisconsin, whose presence will be deeply missed, having departed on July 21, 2025 at the age of 78. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

Though Heidi has departed this earthly realm, her legacy endures — a legacy of love that will continue to illuminate the lives of family and friends in the darkest of hours. May her spirit soar on wings of eternal peace, forever cherished in the tender embrace of memory.

She is survived by: her brother Jeff Nowicki; her children, Mark Thessin (Carri), Deborah Marshall (Eric) and Michael Thessin (Maureen); her grandchildren, Jordan Callison (Michael), Jeffrey Marshall, Jonathan Marshall and Mason Thessin; and her great grandchild Brynlee Callison.

Should you like to share a memorial donation, the family asks that you consider Taylor Chapel or the American Lung Association.