Birth: April 13, 1936
Profession: July 22, 1965
Death: October 14, 2015
Visitation will be held on Sunday, October 18, from 5-7 p.m. at the Maspons Funeral Home, 3500 SW 8th Street in Miami, Florida. A Mass celebrating her life will be offered, Monday, October 19, at 7 p.m. at St. Hugh Catholic Church, 3460 Royal Rd., Coconut Grove, Florida. A Mass celebrating her life will also be offered on Saturday, October 24, at 9:30 a.m. at the Academy of the Sacred Heart, 1250 Kensington Road, in Bloomfield, Michigan. Burial will take place at the cemetery of the Society of the Sacred Heart.
Margaret Theresa Seitz was born in Detroit, Michigan, to Harry William Seitz and Mildred Schroeder Seitz. Predeceased by her parents, Sister Seitz is survived by her sisters, Jo Anne Seitz Daly (Leo) of Flint, Michigan, and Helen Seitz Robinette (Joseph) of Richmond, New York; a brother, H. Jerome Seitz (Jerry) of Warren, Michigan; a number of nieces and nephews; and her sisters in the Society of the Sacred Heart. Sister Seitz entered the Society of the Sacred Heart in 1957 at Kenwood in Albany, New York. She made first vows in 1960 and her final profession in Rome on July 22, 1965. Sister Seitz began her long, energetic and fruitful educational work as a teacher in Sacred Heart Schools in Rochester, New York. She served in education for more 30 years, most recently as assistant head for curriculum at the Carrollton School of the Sacred Heart in Miami, Florida, a post she held for the past 16 years. Her extraordinary leadership as headmistress was honored at the Academy of the Sacred Heart in Bloomfield Hills, Michigan, and the Doane Stuart School in Albany, New York. Her leadership history also included the roles of principal at the Academy of the Sacred Heart in New Orleans and dean of students at the Convent of the Sacred Heart in Noroton, Connecticut. She also held the position of director at the Teacher Development Institute in Houston, Texas. Her early years in the Society found her teaching students at the Convent of the Sacred Heart in Rochester, New York; the Academy of the Sacred Heart in Bloomfield Hills, Michigan; and The Rosary in New Orleans, where she served as middle school principal. She received her bachelor’s in English from Maryville College in St. Louis, Missouri, in 1957 and her master’s in English and history education from Manhattanville College in Purchase, New York. Memorial contributions may be made to the Society of the Sacred Heart, 4120 Forest Park Avenue, St. Louis, MO 63108.