Age 64, of Pittsburgh, Pennsylvania, passed away peacefully surrounded by her family at the hospital, on Wednesday, September 28, 2022. Kathleen passed away after a courageous six year battle with pulmonary fibrosis. She was a loving Mother of Kelly M. (Justin) Brittin, Krista R. (Sean) Stark, Matthew J. Behr, and loving grandmother of Avery K. Brittin, Reid J. Brittin, Kaitlyn O. Stark, and Evan J. Stark. The funeral will be a private ceremony.