O'Brien, Bernard J. of Rockville Centre on January 10, 2020. Beloved Husband of Marilyn. Devoted father of the late Tim, Bob (Hollie), Kathy Tighe (late Steve), Patrick (Nancy), Teri Visconti (Mark), Sean (Heather) and Kevin (Erin). Father in law of Lisa O'Brien Guckert. Adoring grandfather to 25 loving grandchildren. Longtime Executive Director of Nassau County Athletics. 60 year Parishioner and longtime caretaker of St. Agnes Cathedral making sure the lights were always on in the morning. Friends may call Sunday 2-4 & 7-9 PM at the Thomas A. Glynn & Son Funeral Home 20 Lincoln Ave Rockville Centre. Mass of Christian Burial Monday 11 AM St. Agnes Cathedral with interment to follow at Holy Rood Cemetery. In lieu of flowers the family requests donations to the following organizations: The Boomer Esiason Foundation esiason.org or St. Francis Hospital Cardiac Care Center 100 Port Washington Blvd Roslyn, NY 11576 Or JDRJD www2.jdrf.org