Mary C. Trainer peacefully passed away on December 28, 2021 surrounded by her loving family. Loving and most devoted sister to Helen Panepresso, Andrew Trainer (Nancy), Marge Garman (Fred) and the late Charlie Trainer (Joanne). Most generous Aunt to twenty-three nephews and nieces, fifty-two great nephews and nieces, and four great, great nephews and nieces. Mary was a full-time diligent Executive Secretary at General Electric Company and a Customer Service Representative at Willow Grove Mall for fifteen happy years. She was very family oriented and will be greatly missed. She was also exceptionally steadfast in her faith, and was very proud of her Irish heritage. Relatives and friends are invited to her viewing on Saturday Jan. 8th from 9:30-10:30AM at Holy Martyrs Church 120 Allison Rd. Oreland, PA 19075 followed by a Celebration of her life Mass at 10:30AM. Interment Holy Sepulchre Cemetery. In lieu of flowers, donation's in Mary's memory may be made to the Miraculous Medal Shrine 500 E. Chelten Ave Philadelphia, PA 19144.