O'BRIEN, Patricia M. passed away on May 4, 2016. Loving mother of Peggy Leyser and John Fitzpatrick. Cherished grandmother of two grandchildren and two great grandchildren. Dear sister of Kay Reich. Adored aunt of Cathy, Debra and Laurie. Arrangements under the direction of O. B. Davis Funeral Homes, 1001 Route 25A, Miller Place, NY 11764. Visitation Friday, May 6, 2016 from 2-4 & 7-9 PM. Funeral mass is on Saturday May 7, 2016 at 10 AM at St. Marks R.C. Church, Shoreham, NY. Cremation to follow at Washington memorial Park, Mount Sinai, NY.