KELLEY, Helen G. (O’Brien) of Cambridge. December 6, 2017. Beloved wife of the late Walter Kelley. Loving mother of Walter, Edward, Ellen, and Daniel Kelley, Joan Kelley Campbell and Maryanne Tower. Daughter of the late John and Rossella O’Brien. Sister of Anna Mae Stefani, Betty Savini, and the late Margaret Costello. Also survived 11 grandchildren and 15 great grandchildren. Funeral from the Keefe Funeral Home, 2175 Massachusetts Ave. CAMBRIDGE on Saturday at 9 am. Funeral mass in Saint John’s Church, Cambridge at 10 am. Relatives and friends invited. Visiting hours today 4-8 pm. Burial in Cambridge Cemetery. In lieu of flowers donations may be made to the Jett Foundation, 36 Cordage Park Circle, Suite 328, Plymouth, MA 02360 or Robert F. Kennedy Children’s Action Corp, 11 Beacon Street, Suite 820, Boston, MA 02108. To leave a message of condolence, please visit www.keefefuneralhome.com.