Rankin, Jeannette, 1880–1973, American pacifist, b. Missoula, Mont. She was active in social work and campaigned for woman suffrage. A Republican, she was the first woman in the United States to serve (1917–19) in Congress and also was (1941–43) a member of the 77th Congress. She voted against the declaration of war on Germany in 1917 and in 1941 cast the only vote in the House against entering the war. A member of various antiwar organizations, she led (1968) the Jeannette Rankin Brigade, a peace group, to Washington to protest the Vietnam War.
See biography by H. Josephson (1974).