BYRNES - Margaret M. on May 18, 2024 of Centereach, NY. Beloved wife of the late William Byrnes. Loving mother of Kathleen Dill (Stephen), Patricia K. Byrnes, Barbara Boesch (John) and Margaret Byrnes. Cherished grandmother of Elizabeth, Connor (Nicole) and Cameron (Shannon). Adored great grandmother of Joseph. Reposing at O.B. Davis Funeral Homes, 2326 Middle Country Road, Centereach, NY. Visitation Wednesday, 05/22/2024 from 2-4 and 7-9 pm. Funeral Mass Thursday, 05/23/2024, 10 am, Assumption B.V.M. R.C. Church, Centereach, NY. Interment to follow at Calverton National Cemetery.