Kathleen Ann O'Malley, age 73, of North Side, on Friday, February 10, 2023. She was the Beloved Wife of the late Joseph P. O'Malley, Sr.; Mother of Molly (Jason) Argueta, Joseph P. (Erin Adams) O'Malley, Jr., Erin O'Malley, and Michael O'Malley; Grandmother of Dante Reith, Angelina Reith, Jason Argueta, Alessandra Argueta, Gavin O'Malley, Emma Kathleen O'Malley, and Xander O'Malley; She was the daughter of the late Frank P. and Dorothy (Briggs) Donahue; Sister of Frank (Joanne) Donahue, Brian (Joan) Donahue, Diane Donahue, and the late Kevin (late Mona) Donahue; she is also survived by nieces, nephews and friends. Friends and Relatives will be received on Monday from 2:00 - 8:00 PM at the Thomas P. Kunsak Funeral Home, Inc., 3552 California Avenue at Davis Avenue, Pittsburgh, PA 15212-2104. A Funeral Mass will be held on Tuesday at 10:00 A.M. at Christ Our Savior, St. Cyril of Alexandria Church. Interment to follow in Christ Our Redeemer, North Side Catholic Cemetery.