Mary D. Wissman (nee Glessner) passed away December 17, 2023, surrounded by her loving family. Beloved wife of Michael. Loving mom to Donna Lydon (James), Michael, Jr., and Leigh Ann Wissman. Cherished Grammy to Michael III, Chaseon, Fallyn, and Delaney. Relatives and friends are invited to gather on Wednesday, December 27, 2023, at St Martha's Church (11301 Academy Rd, Philadelphia, PA 19154) from 9:30AM-11:00AM, followed by her Memorial Mass. Interment private.