William Koessl Obituary

We are sad to announce that, on January 12, 2026, at the age of 58, William Koessl of Ellison Bay, Wisconsin passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Jerome Koessl and Patricia Koessl (Witalison); and his brother Edward Koessl. He is survived by: his wife Sheila Voight; his children, John Koessl and Casey Honold (Brandon); his grandchildren, Mason, Nora, Toby and Alvena; his siblings-in-law, Larry Voight, Lyle Voight, Leon Voight (Lynne) and Cheryl Muhowski (Jeff); and his pet Maggie Mae.

Memorials may be given in his name to the Door County Maritime Museum, 120 N Madison Ave, Sturgeon Bay WI 54235; http://www.dcmm.org..