Sister M. Rose Vincent Reilly, O.P., who served as principal of St. Catherine Laboure School in Lake Katrine and administrator of St. Agnes Home and School in Sparkill, died April 25 in Siena Hall Infirmary at Dominican Convent, Sparkill. She was 90. She was administrator of St. Agnes, 1968-1974, and principal of St. Catherine Laboure, 1962-1968. She later was assistant principal of a school in Queens for 13 years until 1987. She also taught at the following schools in the archdiocese: St. Paul's, Valley Cottage, 1987-1990; Aquinas High School, the Bronx, 1952-1962; St. Martin of Tours, the Bronx, 1948-1952; Cardinal McCloskey Home, White Plains, 1946-1948; St. Catherine of Siena, Manhattan, 1942-1946; and St. Brendan's, the Bronx, 1936-1942. Born in Harrison, she entered the Dominican Sisters of Sparkill in 1934 and made final vows in 1942. She is survived by her sisters, Genevieve Bauer of Brewster and Bernice Robinson of Santa Cruz, Calif. A Funeral Mass was offered May 1 at Dominican Convent in Sparkill. Burial was in St. Agnes Cemetery in Sparkill.