Sister Rose Marie Mastellon, R.G.S., 96, a Sister of the Good Shepherd for 75 years, died at Mary Manning Walsh Healthcare Facility, Manhattan, Feb. 8. Born and raised in Brooklyn, she attended St. Agnes School, Cobble Hill, and St. Joseph’s H.S. in Downtown Brooklyn, before entering the community in 1939 in Peekskill, N.Y. She professed […]







