O'Brien, Rosemary C. on December 20, 2017, 82 years of age, of Northport. Beloved wife of the late Edward. Loving mother of Edward G. O'Brien (Kathy), Cathy Sears (Ken), Eileen Smith-Schmitt (Michael Schmitt), Maryann O'Brien-Ersboll (Paul), Joseph O'Brien, and Rosemary O'Brien-Curcie (Scott). Fond grandmother of Morgan, Liam, KJ (Danielle), Matt, Jackie, Kyle, Rose, Olivia, Michael, Kayla, Emily, Avery, Edward, Scotty, Eddie, Belle, Quinn and Vinny. Caring sister of Donald McNaughton (the late Kay), Kitten Roche (John) and Robert McNaughton (Nancy). Reposing Nolan & Taylor-Howe Funeral Home, 5 Laurel Avenue Northport Thursday Dec 28th 2-5 & 7-9 PM. Funeral Mass Friday 10 AM, St. Philip Neri Church, Northport. Interment to follow at Northport Rural Cemetery. In lieu of flowers donations to Women's Clinic at Northport V.A. Hospital, 79 Middleville Road, Northport NY, 11768, in her memory would be appreciated.