John McWilliams Obituary

The passing of John McWilliams of Mount Vernon, Iowa occurred on June 16, 2026. John, born on September 13, 1948, is remembered by those who knew him. 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, Wendell McWilliams and Elizabeth McWilliams (Johnson); his sister Beverly Smith (Robert); his brothers-in-law, Pete Nordstrom and Robert Pratt; and his nephews, Kyle McWilliams and Rick Smith.

He is survived by: his wife Mary Jane McWilliams (Pratt); his daughters, Maggie Noll (Scott) of Marion and Betsy Brown (Chris) of Lisbon, Iowa; his grandchildren, Katie, Josh, Marcus Noll, Evelyn and Meredith Brown; his siblings, Gene McWilliams (Claire) of Shorewood, Bonnie Nordstrom of Naperville and Debbie Burroughs (Mike) of Elwood, Illinois; his siblings-in-law, Ruth Neppl (Larry) of Marion, Iowa, Jim Pratt (Mary) of Iowa City, Iowa and Rose Mary Pratt of Des Moines, Iowa; and his aunt Phyllis Holmquist of Joliet. He is also survived by many nieces and nephews.

Memorials may be made to the Community Health Free Clinic or the Mount Vernon United Methodist Church.