Sister Marylin (St. Robert of Mary) Stack, a member of the Congregation of Notre Dame, died July 2 in Wilton, Connecticut.

Born in Waterbury, Connecticut, she made her first profession of vows in 1959 in Bourbonnais, Illinois, and her perpetual vows in1965 in Montreal.

For more than 50 years she was involved in Catholic education in Rhode Island, New York, Connecticut, Illinois, and South Dakota.  For more than twenty years Sister Stack ministered at St. Jude the Apostle school and parish in South Holland as teacher and administrator.