Loving father of William Thorson Jr., Patricia (Kevin) Kruse, and Caroline (Michael) McLaughlin; proud grandfather of Justine Thorson, Kaitlyn (Jacob) McPherson, Lauren Kruse, and Jake Kruse; cherished great-grandfather of Emma Boyer and Sophia Boyer; Dearest brother of the late Harry Buchler, Margaret Buchler and Betty Panske. Honored friend of Bill W. and many others. William was a proud member of the Painters & Allie Trades Union for over 50 years. Memorial visitation will be held on Monday, October 21st, at Malec & Sons Funeral Home, 6000 North Milwaukee Avenue, Chicago, Illinois 60646, from 4:00pm to 8:00pm. Interment private. For more information, please call (773) 774-4100.