Marie Haffenreffer Fox, 91, of Duxbury died on Tuesday, March 9.  Born in Brookline, she was the daughter of Theodore and Marie Haffenreffer. She attended Beaver Country Day School.  After earning a degree in botany from Wellesley College in 1941, she studied landscape architecture at the Harvard Graduate School of Design and was one of the first women to graduate from Harvard.  In 1944, she married Robert Stanton Fox, a naval architect. They settled in Duxbury where they raised four children. Mrs. Fox became a sailor, racing her catboat on Duxbury Bay and with her family cruising the coast of Maine and islands of the West Indies.

Mrs. Fox had a passion for gardening. She was a longtime member of the Duxbury Garden Club and she and her friend Natalie Goodrich of Duxbury helped residents of the Brockton Veterans Hospital arrange garden flowers for many years. She also participated in the Art in Bloom shows at the Museum of Fine Arts.

Mrs. Fox attended Boston Symphony Orchestra concerts most of her life and regularly volunteered at its offices. As a young woman, she had sung with the Handel and Hayden Society Chorus. In her 70’s, she  devoted her time to the Opera Company of Boston. With her sister Katharine, she ran the gift shop to help support opera performances.  Mrs. Fox also attended monthly Class of ’41 book club gatherings at Wellesley College.

Mrs. Fox leaves her children, Marie Young and her husband Robert of Santa Monica, Calif., Josie Hanlon and her husband Francis of Norwich, Vt. and Robin Fox and her husband Jon Daley of Pembroke; her sister Katharine Selle of Chestnut Hill; her brothers, the late Theodore, Frederick and John Haffenreffer; and five grandchildren. She was preceded in death by her son Peter.

A memorial service will be held on Saturday, April 10, at 4 p.m. at St. John the Evangelist Episcopal Church, 401 Washington St., Duxbury, followed by a reception in the church hall. In lieu of flowers, donations may be made to the South Shore Conservatory Scholarship Fund to benefit music students at the Ellison Center for the Arts, P.O. Box 1523, Duxbury, MA 02331.