Mary "Sis" M. Croyle, age 84, a native of Greentree, passed away peacefully on Sunday, September 16, 2018. She was the devoted mother of Kimberlee S. Lisotto of Castle Shannon, proud Grammy of Michael and Nicholas Lisotto and loving sister of William W. Reeder, Sr. of Greentree and the late Thomas S. Reeder, Jr. Also survived by a loving niece, nephews, cousins and her life long friends. There will be no public visitation per Mary's wishes. A memorial service of celebration will be held 12 Noon on 10/28/2018 at St Andrews Lutheran Church located at 987 Beaver Grade Rd, Coraopolis, PA 15108. Please contact Kimberlee with any questions regarding service 412-892-9409. Arrangements entrusted to the H.P. Brandt Funeral Home, Inc., (412-364-4444). Condolences may be shared on www.brandtfuneralhome.com