Marjorie E. (Ryder) Parker, 76, died Monday night at her home after a short period of failing health. She was the wife of Harold Parker to whom she was married for 54 years. She was born in Cambridge, the daughter of the late Thomas and Ann (Sheridan) Ryder and moved to Marlborough with her husband over 50 years ago.f She was a graduate of St. Patrick's High School in Watertown class of 1956. Mrs. Parker worked many years as a home health care aid for the elderly in this area and also worked for over 20 years at the Marlborough Public Library. Marjorie was a long time member of the Immaculate Conception Parish in Marlborough, where she served as a CCD teacher, was a member of the former Newman Club and the morning rosary group. Besides her husband she is survived by 3 sons; Michael T. Parker of Wenham, Mark F. Parker of Westport, Daniel E. Parker of Amesbury, 1 daughter; Mary Parker-Hoepf of Chicago IL, 12 grandchildren and many nieces and nephews. Her funeral will be held on Saturday at 9:00 a.m. in the Immaculate Conception Church, 11 Prospect St. Marlborough. Burial will will follow in Saint Patricks Cemetery in Watertown. Visiting hours at the William R. Short and Son Funeral Home(www.shortfuneral.com), 95 West Main St. Marlborough will be held on Friday evening from 4-7 p.m. In lieu of flowers Marjorie's wishes were for her family and friends to have masses said for all of the souls in Purgatory.