Mary Frances Sullivan, age 93, passed away on December 20th. The lifelong Massachusetts resident, career teacher, and first woman department head in the history of Boston Latin School was the cherished sister of Paul B. Sullivan, M.D. of Brookline and Professor Alfred B. Sullivan of San Marcos, TX; adored aunt of Sarah Sullivan of Boston, David B. Sullivan of New York City, and Eddie Sullivan and Susan Sullivan, both of San Marcos, TX; and inspiring teacher to generations of Boston students for over forty years. Prior to becoming one of the first women ever to teach at Boston Latin School and the first female head of the French Department, she earned degrees in Education from Boston University and Radcliffe College, as well as a specialized certificate from the Sorbonne in Paris, France. She travelled extensively throughout France and Belgium, where she developed many close friendships. Throughout more than four decades of teaching, Mary Frances' enthusiastic and innovative techniques were very popular among her thousands of students and offered a lively mix of modern colloquial French coupled with classic literary French and French culture. Following her retirement, and furthering her dedication to enriching the lives of young people everywhere, Mary Frances volunteered at the Ronald McDonald House in Brookline in order to tutor children too ill to attend school. Mary Frances felt honored to have served as a Past President of the Professional Women's Club of Boston. Friends, family members, and former students are invited to memorial services scheduled for 10:00 a.m. on Saturday, January 28, 2017 at St. Mary of the Assumption Parish, 5 Linden Place, Brookline. In lieu of flowers, the family requests donations to St. Mary of the Assumption Parish in Brookline.