Age 96, of Mt. Lebanon, formerly of Carrick, on April 22, 2023. Beloved wife of the late Robert F. Joyce and the later Robert Fiedler. Beloved stepmother to Patricia E. Joyce Runte and Mark Stephen Joyce. Loving grandmother and great-grandmother. Sister to the late Raymond E. Buerkle Jr. (late Marianne White Buerkle), Anne L. Buerkle Friend (late Raymond). She is also survived by many nieces and nephews. Mary Grace was a proud graduate of Carrick High School and alumna of Duquesne University. A champion of Pittsburgh, it's culture and history. She was a lifelong executive assistant to Presidents of the railroad industry spanning many decades. Mary Grace traveled extensively and one of her favorite places to visit was Cape Cod in the Fall. She accredited her longevity to a good conversation with friends and family and to a good martini. The family would like to extend a very special thank you to all the caregivers for their loving friendships. In lieu of flowers, donations may be mad eto the Duquesne University General Scholarships Fund website page. Family and friends welcome Friday, May 19, 2023, 4 to 7 p.m. WILLIAM SLATER II FUNERAL SERVICE, 1650 Greentree Rd., Scott Twp. 15220 (412-563-2800). Mass in St. Thomas More Church, Resurrection Parish Saturday, at 10 a.m. Burial to follow at Queen of Heaven Cemetery.