William Prosser Obituary
With solemn hearts, we announce the passing of William Prosser of Manitowoc, Wisconsin, whose presence will be deeply missed, having departed on January 19, 2026 at the age of 81. Leave a sympathy message to the family on the memorial page of William Prosser to pay them a last tribute.
He was predeceased by: his parents, James Prosser and Agnes Prosser; his wife Margaret Prosser (Steeber); and his siblings, John Prosser, Donald Prosser, James Prosser and Mary Prosser.
He is survived by: his children, James Prosser (Krista Marie) and Barbara Krizizke (Benjamin); his brothers, David (Sharon) and Steve Prosser; and his grandchildren, Kayla Krizizke, Malcolm Krizizke, Charlotte Prosser and Gunter Krizizke.
Instead of flowers, a memorial donation to Saint Jude Children's Research Hospital is appreciated.
