PEC, MARY  -  "Mary Kay" Pec – (nee Frank); beloved wife of Joseph , Retired Commander, Willowbrook Police Dept. ; loving mother of Lance Aarstad Jr., Timothy Pec, Jori Antosh, and the late Joeph A. Pec Jr.; devoted grandmother of D.J. Antosh, Cassidy Antosh and  Savannah Pec; dear sister of Nancy (John) Schmidt and Paul (the late Deborah) Frank; fond aunt of many.  Visitation Tuesday at the Cooney Funeral Home 3918 W. Irving Park  Rd Chicago from 3-9 p.m.  Funeral Wednesday 9:15 a.m. to St. Alphonsus Church, mass at 10:00 a..m.   Interment St. Joseph.  Mary served as an officer in the 94th infantry division, WWII Histroical Society in honor of her father's military service.  Graduate of The Immaculata, Class of 1970.  For info (773) 588-5850 – www.cooneyfuneralhome.com.