- Date Of Birth: August 19, 1935
- Date Of Death: April 8, 2020
- State: Pennsylvania
Sister Mary Derrig, RSM, age 84, died April 9, 2020. She is pre-deceased by her parents Joseph and Catherine, and her brother Rev. Joseph Derrig. In addition to her religious community, S. Mary is survived by her sisters Catherine and Gail, a niece, nephews and cousins.
