William M. Cassidy Obituary
The passing of William M. Cassidy of Caledonia, New York occurred on July 18, 2026. William, born on February 2, 1944, is remembered by those who knew him. Leave a sympathy message to the family on the memorial page of William M. Cassidy to pay them a last tribute.
He was predeceased by: his wife Louise Cassidy; his former wife Jeanne Cassidy; his son Mark Cassidy; his sister Bonnie Follett; and his parents, Michael Cassidy and Madeline Cassidy.
He is survived by: his daughters, Debra, Bonnie and Kristin; his daughter-in-law Erin; his grandchildren, Patrick, James (Lily), Dylan, Michael (Emily), Elizabeth, Ashley and Lauren; his brother George (Pat); and his brother-in-law Ronnie Follett. He is also survived by niece, several nephews, and many dear friends.
In lieu of flowers, donations may be made to Wilmot Cancer Institute at https://www.urmc.rochester.edu.
