Smith, Mary J. (MacMillan), of Duxbury, MA, formerly of Brighton, MA died peacefully surrounded by her family on March 30, 2013 at age 80. She was the loving wife of the late Thomas Smith. Mary was the devoted mother of Jacqueline, John, and his wife, Karen and Paul, and his wife, Cecile. She was the loving grandmother of Thomas, Heather, Rachael, Christopher and Cameron. In addition, Mary leaves two sisters, Alice and June and brothers; Aubrey and Robert, as well as many nieces and nephews. She was preceded in death by her son, Thomas, her sister, Rita and brother, Donald Funeral arrangements will be made by the Bartlett Funeral Home, 338 Court Street, Plymouth. Calling hours will be Tuesday, April 2, from 4-7 P.M. A funeral mass will be celebrated in her honor at St. Mary's church on Wednesday, April 3, at 11:30 A.M. Interment will be private.