Carol J. (Leach) Hollister, age 89, of Mt. Lebanon, passed away on Sunday, November 20, 2022. Beloved mother of David Hollister; loving grandmother of Zachary Hollister; sister of Marianne Napoleoni of Chicago, IL; also survived by many friends. Carol was the former organist at St. Paul's Lutheran Church in Washington, PA. Relatives and friends received Thursday, December 1, 2022, from 2-4 & 6-8 PM at SCHEPNER-McDERMOTT FUNERAL HOME, INC. where the Funeral Service will be held on Friday, December 2, 2022 at 11 AM. Interment Queen of Heaven Cemetery.