Mary Lou (Boettner) Dufner, age 88, of Westwood, passed away peacefully surrounded by her family on Saturday, March 26, 2022. Beloved wife of 69 years to Donald M. Dufner. Loving mother of Diane (Thomas) Pruss, Nancy (Raymond) Martin, and Donald (Janet) Dufner; grandmother of Stephen (Sarah), Kristen (Randy), David, Sara (Michael), and Heather (Casey); great-grandmother of Jordyn, Josalynne, Nolan, Kingston, Casen, Micah, Mya, Trenten and Ava; sister of Louis (Pauline) Boettner and the late Margaret Schiller. Mary Lou enjoyed traveling, but her favorite times were time with her family. She will be dearly missed by her family and friends. Relatives and friends received Tuesday 1-3 & 6-8 PM at SCHEPNER-McDERMOTT FUNERAL HOME, INC., 165 Noble Avenue, Crafton. Funeral prayer Wednesday 9:15 at the funeral home followed by Mass of Christian Burial at 10:00 AM in St. Philip Catholic Church, 50 W. Crafton Ave, Crafton.