Margaret R. "Peg" Koller, 87, of West Mifflin, died Tuesday, Feb. 26, 2013, in Country Meadows Nursing Center, Bridgeville. Born March 31, 1925, in Homestead, she was a daughter of the late John and Agnes (Mulkerrin) Cloonan. She was a member of St. Joseph Church, Duquesne. A former employee of Mellon Bank, she had worked in the processing department. She was the beloved wife of 62 years to the late John W. Koller; mother of Patti (Dennis) Riegelnegg, of Rensselaer, Ind., Eileen (John) Sakoian, of McDonald, Kevin Koller, of Venetia, and the late William Koller; grandmother of Christopher and John Sakoian, Cara Stewart, Jeff, Curt and Craig Riegelnegg and Alex Koller; great-grandmother of America, Declan, Eleanor and John Santiago; and sister of the late William Cloonan, John Cloonan and Mary Colosi. Visitation from 2 to 4 and 7 to 9 p.m. Thursday, Feb. 28, 2013, at the MALOY-SCHLEIFER FUNERAL HOME INC., 915 Kennedy Ave., Duquesne, 412-466-3300, William B. Schleifer, supervisor, William Brian Schleifer, funeral director. Blessing service will be at 9:30 a.m. Friday, March 1, in the funeral home, followed by Mass of Christian Burial at 10 a.m. in St. Joseph Church with the Rev. Dennis Colamarino as celebrant. In lieu of flowers, memorial contributions may be made to St. Joseph Church, 817 W. Grant Ave., Duquesne, PA 15110.