Bloor, Ella Reeve, 1862-1951, American radical, popularly known as Mother Bloor, b. Staten Island, N.Y. After an early career in the woman-suffrage and temperance movements she joined the Socialist party in 1902 and was an organizer until 1919 when she broke with the Socialists to help organize the Communist party. She served as chairman of the party's women's commission and was (1932-48) a member of the national committee. She wrote Women of the Soviet Union (1930) and the autobiographical We Are Many (1940).