Born in Brooklyn, New York, first generation of Irish parents, Rosemary remained close to her Irish roots and Catholic faith. She was an active member of Our Lady of Lourdes parish and sang with their choir for many years. She is pre-deceased by her parents, Mary Mulligan and John Lynch, brother John Lynch and husband of 50 years William LeComte. She is survived by her younger sister Patricia McKeefery, her five children: Margaret, Lynn, Bill, John and Maureen, her fourteen grandchildren: Kerry, Bobby, Meaghan, Lauren, Keith, Karen, Mary, Katelyn, Lawrence, Armand, Timothy, Connor, Bridget and Sarah and her twelve great grandchildren: Isabella, Alex, Ella, Valentina, Mikey, Gianna, Emma, Alexandra, Sophia, Delaney, Declan and Leo.