William M. “Bill” Hennessey, of Mt. Prospect, was born May 22, 1923 in Chicago to the late Milton and Lucy (nee Graziano) Hennessey and passed away August 6, 2012 at the Rainbow Hospice Ark in Park Ridge, Illinois. Bill was the beloved husband of Sara B. nee Foley; loving father of the late William N. (Paula) Hennessey, Michael J. (Linda) Hennessey, Daniel A. (Virginia) Hennessey, Eileen M. (John) Matzek and cherished grandfather of David (Andrea), Christopher Mike, Eric, Daniel (Michele) Rebecca (Sean) Warren, Marie, Victoria, Benjamin, Patrick, Joseph, and William; great-grandfather of Paige, Ally, Kate, Abby and Jack and dear brother of Charles (Adeline) Hennessey and the late Robert (late Inez) Hennessey. Visitation will be Thursday August 9, 2012 from 3-9 PM at Lauterburg & Oehler Funeral Home 2000 E. Northwest Highway in Arlington Heights and Friday August 10 from 9:00 AM until time of funeral mass 10:00 AM at St. Cecilia Catholic Church 700 Meier Road in Mt. Prospect. Interment is at Maryhill Cemetery in Niles. In lieu of flowers, please make donations to Rainbow Hospice 1550 Bishop Court Mt. Prospect, IL 60056 or St. Vincent DePaul Society 651 W. Lake Street #1 Chicago, IL 60661.