William S. Sly Obituary
It is with great sadness that we announce the death of William S. Sly (University City, Missouri), who passed away on May 31, 2025, leaving to mourn family and friends. Leave a sympathy message to the family on the memorial page of William S. Sly to pay them a last tribute.
He was loved and cherished by many people including: his wife Peggy; his parents, Thomas Edwin and Ollie Mae Sly (Shuford); his brother Thomas; his children, Margaretta Page (Doug), Bridget Lally (John A.), Paul W. Sly (Darcie), Catherine Siener (late Richard), Marian Hughes (John), Ann Marie Ricard (Erik) and Thomas J. Sly (Danielle); his grandchildren, William Page (Brooke), Stephen Page, Jack Lally (Sage), Mary Clare Ellis (Johnston), Patrick Lally, Tim Lally (Alex), Kathleen Lally, Ryan Lally, Maggie Lindner (Kyle), Dan Sly (Andrea), Molly Sly, James Sly, Lydia Sheehan, Harlan Sheehan, Madeline Siener, Matthew Siener, Michael Siener, Margot Siener, Caroline Hughes, Allison Hughes, Jack Hughes, Oliver Ricard, Henry Sly, Paul Sly and Ellie Sly; and his great grandchildren, Janie Lindner, Will Lindner, Margot Lally, John William Lally, Ruston Sly, Daisy Sly and Louise Lally.
Visitation will be held on Saturday, June 28th 2025 from 9:30 AM to 11:00 AM at the Our Lady of Lourdes Church (7148 Forsyth Blvd, St. Louis, MO 63105). A funeral Mass will be held on Saturday, June 28th 2025 at 11:00 AM at the same location.
In lieu of flowers, the family requests that contributions be made in Bill's name to: The William S. Sly MD Centennial Chair in Biochemistry at the St. Louis University School of Medicine (donation should specify the William S Sly Chair) https://engage.slu.edu.
