Margaret "Peggy" (Hoerner) Hoffmann, age 89 of Plum, formerly of Bloomfield and Penn Hills, passed away on Friday, December 1, 2017. Beloved wife of the late Stephen P. Hoffmann. Loving mother of Susan (William) Caldwell and Carol Ann Hoffmann. Grandmother of Vincent (Sarah), Matthew (Adrienne) and Nathan (Meghan). Great-grandmother of Arya, Quinn, Lola and Lucy. Sister of the late Herman, Albert, Leo, Robert, and Mary Hoerner and Katherine Richert. Also survived by nieces and nephews. Friends received 2-4 p.m. Sunday at MAURICE L. KNEE, LTD. FUNERAL HOME, 7663 Saltsburg Rd. (across from S & T Bank) Plum, PA 15239. Mass of Christian Burial Monday, 10:30 a.m., St. Januarius R. C. Church. In lieu of flowers the Hoffmann family suggest memorials to Concordia at Ridgewood Place, 1460 Renton Rd. Plum, PA 15239.