Irene V. Sandifer, 75, former president of the Montgomery County Board of Education and the Maryland League of Women Voters, died of cancer Friday in Washington Hospital Center.

Mrs. Sandifer, a native of Latham, III., published "Mrs. Roosenvelt As We Knew Her," a book about Eleanor Roosevelt, in 1972. Mrs. Sandifer had met Mrs. Roosevelt and became her friend while her husband, Durward V. Sandifer, worked for the State Department.

Mrs. Sandifer, who was also a former chairman and president of the Faculty Women's Group of American University, traveled widely and her husband during his government career. She lived in Buenos Aires for three years while her husband was counselor of political affairs in the United States Embassy there.

Mrs. Sandifer also traveled throughout Latin America and Europe for several years with her husband while he studied foreign economic aid programs for the Foreign Service and International Cooperation Administration.

Mrs. Sandifer was a 1924 graduate of Eureka College in Eureka, III., after attending Eureka High School.

She and her husband, a fellow 1924 graduate of Eureka College, were married in 1925. They both went to Columbia University graduate school in 1927 and were awarded masters' degrees in history in 1928. They then lived in Rutgers, N.J., while he taught political science at Rutgers University. they moved here in 1934.

Mrs. Sandifer is survived by her husband, of the home in Silver Spring; a daughter, MurielMonroe, and four grandchildren, all of Anchorage, Alaska.