DeVincentis, Marie G. (Giammasi) of Watertown, peacefully on September 9th. Beloved wife of the late Carmine DeVincentis Sr. Devoted mother of Carmine Jr. and his wife Kelly of Taunton and Angelo and his wife Christine of Waltham. Dear grandmother of Carmine Joseph and his wife Jesselyn and great grandmother of Adele James of Hopedale. Sister of Elaine E. Errico and her husband Tony and aunt of Steven Pinson. Devoted daughter in law of the late Angelo and Lucia (Massarotti) DeVincentis and sister in law of the late Palma DeVincentis and the late Falco A. DeVincentis. Daughter of the late Gina (DiBenedetto) Giammasi. Also survived by many cherished godchildren and friends. Funeral from the DeVito Funeral Home, 761 Mt. Auburn St., WATERTOWN on Friday at 9 am, followed by a funeral mass at 10 am at Sacred Heart Church. Burial to follow in St. Patrick Cemetery. Relatives and friends are invited to visitation hours in the funeral home on Thursday from 4 - 7 pm. In lieu of flowers, please consider a donation in memory of Marie to Neville Center at Fresh Pond, 640 Concord Ave., Cambridge, MA 02138 . Please visit devitofuneralhome.com to view an online guestbook.