The Equal Franchise Society (EFS) was a state-by-state organization that advocated women's suffrage in the United States.
[2] The New York branch of the Society, for example, often held suffrage rallies at which members spoke in the street outside the Colony Club, to which many of them belonged.
[3] Katherine Duer Mackay founded the Equal Franchise Society (EFS) in New York City in 1908 and also served as its president.
[5] Mackay had a vision of the EFS uniting woman's suffrage groups into a "single body.
"[6] Her vision of EFS also included the equality of men and women both in civic and political sectors and a prohibition against militant tactics.