William Kupec died on August 29, 1992 in Orange County, California. Born in Illinois on July 8, 1906, he lived to be 86 years, 1 month, 21 days old.
His mother's maiden name was Bednarski. His Social Security Number was 336-03-0715.
Researching William Kupec's family?
Look up living relatives, addresses, phone, and family history on Spokeo.
Search Now