Mary M. "Peggy" Gallagher, of South Park, on Saturday, March 18, 2023, age 88, beloved wife of the late Thomas "Jack", loving mother of Patrick (Sharlene), Colleen Conley (Jonathan), Maureen Ford (Raymond) and Kathleen Fair (Matthew), sister of Kathleen Ryan, Patricia Reed and the late Eileen Waldo, grandmother of Kylie, Sean, Brenna, Mark, Matthew, Daniel, Richard, Emily, Joshua and Ava and great grandmother of Duncan and Landon, and loving aunt of many nieces and nephews. Peggy was a long time member of St. Joan of Arc Church. She especially loved her children, grandchildren and great grandchildren. Peggy was a community volunteer, loved her Irish heritage and music. Visitation Wednesday 2-4 & 6-8 p.m. at the David J. Henney Funeral Home, 6364 Library Road (RT 88), Library. Mass of Christian Burial Thursday at 10:30 a.m. in St. Joan of Arc Church. In lieu of flowers, contributions may be made to Little Sisters of the Poor, littlesistersofthepoor-pittsburgh.org,  Alzheimer's Assoc., act.alz.org or the American Heart Assoc., www.heart.org.  www.davidhenneyfuneralhome.com