Arthur A. Ronat, 91, of Mount Vernon, Illinois, passed away at 5:00 A.M., Saturday, October 1, 2016 at Barnes-Jewish Hospital in Saint Louis, Missouri. A Funeral Mass will be held at 10:00 A.M. Tuesday, October 4, 2016 at Saint Mary Immaculate Conception Catholic Church in Mount Vernon, Illinois with The Very Reverend Father John Iffert officiating.  Interment will follow at Saint Lawrence Cemetery in Greenville, Illinois.  Members of the Mount Vernon American Legion Post #141 will conduct Full Military Honors at the cemetery. A Visitation will be from 5:00 to 8:00 P.M. Monday, October 3, 2016 at Hughey Funeral Home in Mount Vernon, Illinois.  A Chalice Service starting at 7:30 P.M. Monday, October 3, 2016 at the funeral home will be conducted by members of the Knights of Columbus followed by a Rosary Service officiated by The Very Reverend Father John Iffert.  A Fourth Degree Honor Guard will be present during visiting hours. For those who wish, memorials may be given to Saint Mary Immaculate Conception Building Fund in Memory of Arthur A. Ronat 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.