Waltham - Mrs. Mary E. (Mullins) Wheaton of Waltham died Monday February 20, 2006 at Newton-Wellesley Hospital. She was 80. Born in Norwood, a daughter of the late William and Sarah (MacLeod) Mullins she worked as a registered nurse at Mount Auburn Hospital in Cambridge for many years. She was the wife of the late Paul J. Wheaton and sister of the late Bernard Mullins She leaves four sons, Mark J. Wheaton of Plymouth, Stephen J. Wheaton and Thomas J. Wheaton both of Waltham and David J. Wheaton of Gloucester; one brother, John Mullins of Prince Edward Island; nine grandchildren and many nieces and nephews. The Funeral will be held Thursday at 9:30 a.m. from The Joyce Funeral Home, 245 Main Street (Rte.20), Waltham followed by a Funeral Mass in Saint Jude Church 147 Main Street, Waltham at 10:30 a.m. Burial will be in Calvary Cemetery, Waltham. Visiting hours will be held on Wednesday from 4 to 8 p.m. Memorial donations may be made to Saint Jude School, 175 Main Street Waltham, Mass 02453.