Jeannette Rankin
Jeannette Pickering Rankin became the first woman to hold national office in the United States when, in 1916, she was elected to the U.S. House of Representatives by the state of Montana. She won a second House termyears later, in 1940.
Rankin was born on June 11, 1880 near Missoula, Montana, nine years before the territory became a state, to schoolteacher Olive Pickering and ScottishCanadian immigrant carpenter and rancher John Rankin. She was the eldest of six children, including five girls and one brother, Wellington, who would become the states attorney general, and later, an associate justice of the Montana Supreme Court.
Source: Wikipedia