Mrs. Margaret " Peggy" McMahon entered into eternal rest on December 27, 2019 at New York Weill Cornell, New York, NY, she was 73. Peggy was born in New York, NY on September 5, 1946. Beloved wife of the late James McMahon. Loving mother of Kelly Ingenito and her husband Jim, Chris Canavan and her husband Chris, Peggy Fay and her husband Larry, Maureen McMahon, Patricia Gatto and her husband Vinny. Cherished grandmother. Dear cousin of Kathy Jacob. May she rest in peace.