Waterbury-Miss Marilyn A. O'Brien, 76, passed away on Sunday, January 27, 2013 at St. Mary's Hospital. Miss. O'Brien was born in Waterbury a daughter of the late John W. O'Brien and Helen (LeDuc) O'Brien. She was retired from the Naugatuck School System where she worked as a teacher for many years. She was a member of the CT Retired Teachers Association. The funeral will be held on Saturday, February 2, 2013 at 9:00 a.m. at the Immaculate Conception Church, 74 West Main Street, Waterbury. Everyone is asked to meet directly at the church. Burial will be in Old St. Joseph's Cemetery. There are no calling hours and the Buckmiller Brothers Funeral Home, 26 Waterbury Rd, Rte. 69, Prospect is in charge of arrangements.