Benedictine Sister Mary Frances (Ellen Marie) Schermerhorn, 91, died July 6.

Born in Chicago, she belonged to St. Timothy Parish and St. Francis Xavier Parish, Wilmette, before graduating from St. Scholastica High School in 1948. After one year at St. Teresa’s College in Winona, Minnesota, she entered the Benedictine Sisters of Chicago in 1949. She professed first vows in 1951 and perpetual vows in 1954.

Sister Mary Frances taught in schools in the Diocese of Pueblo, Colorado and in the Archdiocese of Chicago including Queen of All Saints; Mother of God, Waukegan; St. Hilary; St. Lambert, Skokie; and St. Scholastica High School. She was principal of St. John Nepomucene and St. Lambert, Skokie.

She supervised the food service at St. Scholastica Monastery and was treasurer and business manager for St. Scholastica monastery and high school. She had served as teacher and finance officer of the British Infant School, Skokie, since the 1990s.