Margaret Mary Byrne Halton, 93, of East Northport, NY passed away on January 16, 2019 at her home with her family at her bedside. Beloved wife of the late Felix Robert "Bob" Halton, loving mother of Mary H. Cahill (John), Elizabeth F. Halton, Robert P. Halton (Marcia), Kathleen H. Wright (Barky), Theresa H. Johnson, Bernadette H. Black (Andrew) and Raymond C. Halton. Cherished grandmother of Brigid Cahill, John Cahill, Kerri Cahill, Lt. Dean Halton, Ryan Halton (Kristin), Evan Halton, Amanda W. Burns (Colin), Jack Wright, Daniel Johnson, Emily Johnson, Brian Johnson, Robert Black, Michael Black, and Rachel Black. Devoted great grandmother of Ellis Halton, Tristan Halton, Connor Burns and James Burns. Dear sister of Reverend Edward Byrne, Michael Byrne (Patricia), Mildred McCormick and Eleanor Byrne. Also survived by a host of nieces, nephews and friends. Visiation  Sunday 7-9 PM and Monday 2-5 & 7-9 PM at Nolan Funeral Home. Mass of Christian Burial at 9:45 AM Tuesday at St. Anthony of Padua Church, East Northport. Interment to follow at Calverton National Cemetery. Memorial donations may be made to AHRC Lakeland Day Program, 2111 Lakeland Ave., Ronkonkoma, NY 11779, in her memory.