Mary T. Castrogiovanni on April 12, 2021 of Port Jefferson, LI. Beloved wife of Mario J. Loving mother of Linda Bilski and her late husband John, Stephen and his wife Anna, Christine Riha and her late husband Raymond, Susan Meyer and her husband Edward and Robert and his fiancée Monique. Cherished grandmother of 10 and great grandmother of 9. Adored sister of Michelina Fitzmaurice, Josephine Pizzulli and the late Angelina Mangum. Reposing at O.B. Davis Funeral Homes, 4839 Nesconset Highway, Port Jefferson Station, LI. Visitation on Tuesday, April 20th from 2-4 and 6-8 PM. Mass of Christian Burial on Wednesday at 10 AM at Infant Jesus R.C. Church, Port Jefferson, LI. Interment to follow at Calverton National Cemetery. In lieu of flowers, donations may be made to St. Jude’s Children’s Research Hospital, Infant Jesus RC Church food pantry or to the Leukemia and Lymphoma Society.