Jane Wyse Power was an Irish activist, feminist, politician and businesswoman. She was a founder member of Sinn Féin and also of Inghinidhe na hÉireann. She rose in the ranks to become one of the most important women of the revolution. As President of Cumann na mBan, she left the radicalised party and formed a new organisation called Cumann na Saoirse, holding several senior posts in the Dáil during the Free State.