Mary J. (Wheeler) O’Connell, passed away peacefully in the company of her loving family February 2, 2018. Born, raised and educated in Boston, Mrs. O’Connell had been a resident of Hyde Park for many years. She proudly graduated from Nursing School earning her LPN. A loving and supportive wife and mother, she was the beloved wife of 71 years of Thomas J. O’Connell Jr. of Hyde Park, the devoted mother of William D. and his partner Thom of Otis, MaryAnn Dolezsar and Charles Lopresti of West Tisbury, Thomas J. O’Connell III and his wife Pat of New Hampshire, John O’Connell and Patricia Murphy of Hyde Park, Robert O’Connell and his wife Sharon of Milton, Frances Millian of Harwich, and Edward O’Connell and his wife Joanne of Mansfield as well as the cherished grandmother of 10 grandchildren and 3 great grandchildren. Mrs. O’Connell was also the sister of Joan McLellan of Brewster and the late Nancy Guide, Robert, Tommy, Edward and George Wheeler. A Funeral Mass will be celebrated at St. Pius X Church, Milton Thursday, February 8, 2018 at 10 am. Visiting hours will be held at the Alfred D. Thomas Funeral Home, 326 Granite Ave., Milton Wednesday, February 7, 2018 from 4 to 8 PM. Burial will be in Knollwood Memorial Park, Canton.