Grace B. Landergren, 91, a retired cafeteria owner and operator who took part in suffragette marches in 1917 and the ERA movement in recent years, died of congestive heart failure Friday at Norhtern Virginia Doctors Hospital. She had lived in Arlington since 1944.

Mrs. Landergren was a native of New York state and was a 1911 graduate of Cornell University's home economics school. She came to Washington in 1912 where opened the old Cornell Cafeteria in the basement of the old Post Office Building later that year.

From 1933 to 1947, she managed the old 11th Cafeteria at 411 11th St. NW. From 1952 until retiring in 1971, she was the hostess at the First Congregational Church in Washington. She was a member of the church for more than 50 years.

Mrs. Landergren had served on the board of directors of the Northwest Settlement House, and was a member of the Cornell Club of Washington and the National Home Economics Association.

Her husband, Frank L. Landergren, died in 1940. Mrs. Landergren's survivors include a son, Frank L. Landergren Jr., of East Otis, Mass.; a daughter, Margaret Lorenz of Arlington; two sisters, Bertha Paul of Falls Church, and Alice Gammill of California; five grandchildren, and three great-grandchildren.