Sister Margaret Hartling, OP of the Dominican Sisters, Sparkill, New York, passed away on March 19, 2026 in Dominican Convent Siena Hall. She was 88 years old.
Born in the Bronx, NY, on April 18, 1937, Margaret was the daughter of John and Rosina Small Hartling. She entered the Dominican Congregation of Our Lady of the Rosary in Sparkill on September 8, 1955, and received the name Sister John Rose. She professed her first vows in 1957 and final vows in 1962.
Sister Margaret earned a BS in Education from St. Thomas Aquinas College, Sparkill, NY, in 1960 and an MS in Administration from Fordham University, Bronx, NY, in 1965.
Sister Margaret began her teaching ministry at St. Agnes Home and School, Sparkill, NY (1957-1960); Albertus Magnus HS, Bardonia, NY (1960-1967); Holy Trinity HS, Hicksville, NY (1967-1998); Assistant Principal, Our Lady of Lourdes HS, Poughkeepsie, NY (1998-1999); Assistant Principal, Coleman HS, Kingston, NY (1999-2002); Lecturer, Marist College, Poughkeepsie, NY (2003-2009); Administrative Assistant at Villa St. Joseph and Math tutor, Saugerties, NY (1998-2010); and Villa St. Joseph Staff (2010-2015).
Sister Margaret was predeceased by her parents, John and Rosina Small Hartling. She is survived by her sister, Rosemary Peck (Robert), and her brother, John (Karen) as well as nieces, nephew, Dominican Sisters, Associates, and friends.
Sister Margaret made a significant impact on the lives of countless children as a math teacher, inspiring students to strive for excellence. She also embodied the spirit of hospitality at Villa St. Joseph. She faithfully lived out the Dominican Sisters’ mission of proclaiming the reign of God through a commitment to justice and reverence for all creation. May she be welcomed into the fullness of God’s presence—well done, good and faithful servant, Sister Margaret Hartling. May you rest in peace!
Viewing and Mass of Christian Burial
Tuesday, March 24, 2026
Wake: 9:30 am; Prayer Service 10:00 am; Mass at 11:00 am
Wake Service: Click here for livestream link.
Funeral Service: Click here for livestream link.