John Seiberlich Obituary
It is with great sadness that we announce the death of John Seiberlich of Milwaukee, Wisconsin, who passed away on January 11, 2026, at the age of 69, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his father Louis Seiberlich. He is survived by: his mother Elizabeth Mezera (Seiberlich); his siblings, Anne, Amy, Molly and Peter; his children, Nicole, Jamie, Bryan, Kerry and Kate; his grandchildren, Maya, Benjamin, Annika, Morgan, Krishan, Margaret, Surya and Amelia; and his former wife Kathleen Burke.
In lieu of flowers, the family asks that donations be directed toward the Door County Community Opportunity Investment Network (COIN), 222 N. 3rd Ave, Sturgeon Bay, Wisconsin, 54235 - or a glass of Dewars for your favorite local bartender.
