Thomas J. Yost Sr., 86, of Jefferson Park. Veteran US Air Force, Korean War. Beloved husband for 56 years to Jean nee Kawa. Loving father of Mary Yost, Robert Yost, Emery Joseph Yost, John (Jitka) Yost, Ann (Bill) Yost-Spain, Juanita Borrero, Kelly (Chris) Maderer, Erin (Keith) Betti and the late Thomas J. Yost, Jr. Proud grandfather of 18, great grandfather of 3. Dear brother of Dick, Mariel, Jim and the late Harry, the late Patricia. Former owner of the Jefferson Park Cyclery Shop. Visitation Friday 4-9 PM at the M J Suerth Funeral Home, 6754 N. Northwest Hwy., Chicago. Funeral Saturday 9:15 am prayers at funeral home to St. Cornelius Church. Mass 10:00 AM. In lieu of flowers memorials to the Alzheimer’s Association or Oasis Hospice appreciated. Interment All Saints Cemetery.