John L. Wilkosz Obituary
With heavy hearts, we announce the death of John L. Wilkosz (Rochester, New York), who passed away on April 19, 2026 at the age of 79. 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, Frances Wilkosz and Leo Wilkosz; and his parents-in-law, Constantinus and Maria Blaakman. He is survived by: his wife Anne; his sons, Jason and Michael (Melissa); his grandchildren, Zoe, Leo, Matthew, Alexander and Isabella; and his sister Marianne. He is also survived by many nieces, nephews and dear friends.
In lieu of flowers, please consider a donation to Wilmot Cancer Institute Development Office, Alumni & Advancement Center, 300 E. River Road, P.O. Box 278996, Rochester, 14627 or to St. Jude Children's Hospital, 501 St. Jude Place, Memphis, TN 38105 in John's memory.
