Mary P. Gannon, 89, of Chester, Illinois, passed away Wednesday, March 7, 2012 at Memorial Hospital in Chester, Illinois. She was born to David and Elizabeth (nee: Glodo) Calahan on March 4, 1923 in Jacob, IL. She married John W. Gannon on May 8, 1940 in Perryville, MO. He preceded her in death on January 12, 1995. Mary was a housewife. She was a member of St. Mary Catholic Church in Chester, IL, the Blessed Virgin Mary Sodality and the VFW Auxiliary. Survivors: 3 Children: John L. (Faye) Gannon Boss, MO Daniel J. (Joan) Gannon Centralia, IL Becky S. Gannon Chester, IL 1 Sister: Josephine Heeszel Chester, IL 7 Grandchildren Many Great Grandchildren Preceded in death by: Parents, Husband - John Gannon, 1 Brother, 2 Sisters and 1 Great Granddaughter Funeral Mass: 10:00 am, Saturday, March 10, 2012 St. Mary Catholic Church Chester, Illinois Officiating: Fr. Gene Wojcik Interment: St. Mary Catholic Cemetery Chester, Illinois Visitation: Friday, 5:00 pm - 8:00 pm Saturday, 7:30 am - 9:45 am Pechacek-McClure Funeral Home, Chester, Illinois Memorials: Masses