SMITH, Mary C. (Chiasson) Of Lexington, Dec. 23, 2012. Wife of Robert E. Smith. Mother of Debora M. Gallagher and her husband Robert of Lexington, and Robert E. Smith Jr. and his wife Jane of Lexington. Sister of Doris Melanson of Anaheim, CA, and Edward Chiasson of Quincy. Grandmother of Caitlin, Lindsay, Kelley, Erin, Meghan, Robert, and Sarah. She is also survived by many nieces and nephews. Mary's family would like to thank her caregivers, Janice Linehan, Myra Marshall, and Irene Mondello for their love and support. Funeral from the Douglass Funeral Home, 51 Worthen Rd., LEXINGTON, Friday, Dec. 28 at 9am, followed by a Mass of Christian Burial at St. Brigid Church, Lexington at 10am. Relatives and friends are kindly invited to attend. Visiting hours Thursday from 4pm to 8pm. Donations in her memory may be made to the Alzheimer's Association , 311 Arsenal St., Watertown, MA 02472; or to VNA of Middlesex East Visiting Nurse Hospice, 607 North Avenue, Suite 17, Wakefield, MA 01880. Interment Westview Cemetery, Lexington.