78, of Mt. Lebanon, passed away peacefully at home after a long illness with Parkinson's Disease, on Sunday morning, July 24, 2022. Beloved wife for 59 years of Ronald A. Kiersarsky; devoted mother of Deborah A. Kiersarsky, Gregory A. Kiersarsky (Michelle) and Rebecca Jean McGuffey; loving grandmother of Chase Anderson (Amey Michelle), Ethan Kiersarsky, Matthew Schardt (Katee DeLauer), Bailey Kiersarsky, Stephen Schardt (Kirsten), Madelyn McGuffey and the late Cassondra Anderson; elated great-grandmother of soon to be born Paisley Schardt. Sandy was a longtime teller at PNC Bank. The family will welcome guests at Laughlin Cremation and Funeral Tributes, 222 Washington Road, Mt. Lebanon, on Wednesday, July 27, 2022 from 3:00 until 7:00 p.m. and again on Thursday morning from 9:00 until time of her Blessing Service at 10:00. Entombment will follow in Christ Our Redeemer-North Side Catholic Cemetery. In lieu of flowers, please consider a donation to: UPMC Children's Hospital of Pittsburgh, One Children's Hospital Drive, 4401 Penn Avenue, Pittsburgh, PA 15224.