Warren A. Whitacre Jr., age 82, of Glen Mills, PA passed away peacefully on December 29, 2017 at Naamans Creek Country Manor. Born in Philadelphia, Warren has resided in Glen Mills since 2002 and was a longtime resident of Upper Darby in his previous years. He was a Draftsman for PECO for 38 years retiring in 1990. Devoted to his faith, he was a member of St. Cornelius Catholic Church in Chadds Ford and previously a member of St. Alice's Catholic Church. Warren was an avid reader and enjoyed spending time fresh water fishing. In addition to his parents, Warren A. and Catherine Carey Whitacre, he is preceded in death by his wife, Philomena Donegan Whitacre who died in 2003. He is survived by his niece, Joanne L. Donegan (Francis Goff) and a great nephew, Steven Goff. A visitation will be held on Wednesday, 9:00-945AM at St. Cornelius Catholic Church, 160 Ridge Rd., Chadds Ford, PA followed by a Funeral Mass at 10:00AM. Interment will follow in Valley Forge Memorial Memorial Gardens, King of Prussia, PA.