Of Springvale ME and formerly of Millis MA, he died suddenly at his home, at 40 years old. Andrew was the beloved son of the late Gerard and Janet (Durbin) Sisto, and the proud father of Dominic and Isabella Sisto. He was the brother of Jeffrey W. Sisto of Millis and his partner Coreen Cook of Millis, Christopher L. Sisto of TX, and Cameron L. Ruble of Fitchburg, and the brother in-law of William Ruble of Ashburnham. Andrew also leaves behind his beloved nieces and nephews Christopher and Courtney Ruble of Ashburnham, Joseph and Caroline Sisto of TX, and Sophia and Lucy Sisto of Millis as well as many aunts, uncles, cousins and friends. A Mass of Christian burial will be celebrated at St. Thomas the Apostle Roman Catholic Church, 82 Exchange St. Millis MA 02054 on Thurs. Aug 8, 2019 at 10:30 AM with burial following immediately at Prospect Hill Cemetery in Millis. Visiting hours will be held at Roberts Mitchell Caruso Funeral Home, 15 Miller St. Medfield, MA 02052 on Wed. Aug. 7, 2019 from 4PM until 8PM. In lieu of flowers, donations can be sent to Bernier Insurance Care of Charter Trust for his children. Please make checks payable to Charter Trust and include "Dominic and Isabella Sisto" in the memo; mail to P.O. Box 1268 Rochester N.H. 03866.