Sylvia M. Stelmazewski, 87, of Mount Vernon, Illinois, passed away at 6:41 A.M., April 13, 2017 at Mount Vernon Countryside Manor in Mount Vernon, Illinois. FUNERAL SERVICE will be held at 10:00 A.M. Tuesday, April 18, 2017 at Hughey Funeral Home in Mount Vernon, Illinois, with Mr. Michael Sheets officiating.  Burial will follow at Old Union Cemetery in Mount Vernon, Illinois. Friends of the Sylvia M. Stelmazewski Family may call from 5:00 to 8:00 P.M. Monday, April 17, 2017 at Hughey Funeral Home in Mount Vernon, Illinois. For those who wish, memorials may be given to Elk Prairie Christian Church in Memory of Sylvia M. Stelmazewski and will be accepted at the funeral home or may be mailed to Hughey Funeral Home, P.O. Box 721, Mt. Vernon, Illinois 62864. Arrangements are entrusted to the care of Hughey Funeral Home where you may call (618) 242-3348 or visit www.hugheyfh.com for further information or to send online condolences.