Kelley, Mary J. (Quinn) passed away peacefully on October 21, 2017. Born in Boston, she was a lifelong resident of Dorchester. Mrs. was a graduate of Msgr. Ryan Memorial High School, Class of 1952. She retired from her job as Secretary of Msgr. Ryan H.S., a position she held for many years. Mrs. Kelley was also a member of St. Ann’s Women’s Guild. The beloved wife of the late Stephen W. Kelley, she is survived by her devoted children, Stephen W. Kelley of Hingham and Anne Marie Hayes and her husband Peter of Plymouth, as well as her cherished granddaughters, Erin and Olivia Hayes. She was the loving sister of Thomas F. Quinn and his wife Josephine of Braintree, and the late Margaret P. Naughton. A Funeral Mass will be celebrated at St. Ann Church, Neponset, Wednesday morning, October 25th at 10 am. Visiting hours will be held at the Alfred D. Thomas Funeral Home, 326 Granite Ave., Milton Tuesday, October 24th from 4 to 8 PM. Burial will be in Cedar Grove Cemetery. Donations may be made in her memory to The Jimmy Fund, 10 Brookline Place West, 6th floor, Brookline, MA 02445.