GREY, Mary C. (Campbell) Of Lexington, Dec. 21, 2014. Devoted Wife of the late George S. Grey. Beloved Mother of Nancy McCarthy and her husband John of Cheshire, CT, George S. Grey Jr. and his wife Mary of Lexington, Mary Sheila Grey of Lexington, and Rosemary Chamberlain and her husband Stephen of Burlington. Sister of Rose Phelan of Lexington. Mary is also survived by 9 grandchildren, 16 great-grandchildren, 3 great-great-grandchildren, and by many nieces and nephews. Active member of the Women's Club at Sacred Heart Church; Volunteer at nursing homes and at the Lexington Food Pantry. A Mass of Christian burial will be celebrated Saturday Dec. 27 at Sacred Heart Church, 21 Follen Rd. Lexington at 10am. Relatives and friends are kindly invited to attend. Visitation Saturday prior to Mass at the Douglass Funeral Home, 51 Worthen Rd. LEXINGTON from 8:30am to 9:45am. Donations in her memory may be made to the Alzheimer's Association , 480 Pleasant St. Watertown, MA 02472. Interment Westview Cemetery, Lexington.