Sister Mary Mark Quinlan died Wednesday in the health center of St. Mary of the Angels convent, Williamsville, after a brief illness. She was 90.
Born Marian Quinlan in Buffalo, she entered the Congregation of the Sisters of St. Francis Third Order Regular of Buffalo in 1934 and pronounced her final vows in 1940.
Sister Mary Mark received bachelor's and master's degrees in education from the former Mount St. Joseph's Teachers College.
For more than 50 years, she served in the field of education. Early in her career, she helped prepare the young sisters at St. Clare College for their teaching careers.
Sister Mary Mark taught in many schools staffed by the Sisters of St. Francis and served as principal at Most Holy Redeemer School, Cheektowaga, and St. Christopher's School, Town of Tonawanda. In 1985, she became pastoral assistant at St. Christopher's Church and assisted with computer work in the parish office for several years.
Since 1991, she had served her religious congregation by assisting with computer records for various offices. Only recently, because of ill health, she went to the health center.
A Mass of Christian Burial will be offered at 9:30 a.m. Monday in St. Mary of the Angels Chapel, 201 Reist St., Williamsville. Burial will be in Gethsemane Cemetery on the convent grounds.