Marilyn Rose Whalen, age 82 of Mattapoisett, passed away on Friday, March 13 at St. Luke’s Hospital. She was the wife of the late David F. Whalen of Hopkinton, MA and the daughter of the late John F. and Mary McNulty of Brookline, MA. Marilyn was born and raised in Brookline, and lived in Hopkinton with her husband and children before moving to Mattapoisett. She worked as an accountant, social worker and real estate broker before starting her own real estate business. Her family includes 5 children; the late David Whalen Jr., Mark Whalen, Laura Millard, Justine Snyder and Cynthia Whalen-Nelson; and 9 grandchildren, Michael and Andrew Whalen, Kaitlin and Jillian Barney, Jack and Caleigh Snyder, and Julian, Reed and Celia Nelson. She was the sister of Alice McNulty of Brookline, the late Jack McNulty of Wayland, Lawrence McNulty of Concord, and Niamh Ultaigh of Brookline. A private family memorial service will be held in Mattapoisett. In lieu of flowers, donations in memory of Marilyn Rose Whalen may be made to the WGBH Educational Foundation.