 In 1950, she became a commissioner to the General Assembly of the United Presbyterian Church in Cincinnati where she made a speech on behalf of the mission.In 1951, the mission became an organized church and later, in 1957, it was reorganized as the Trinity Presbyterian Church which recognized the three founding entities – the new Presbyterians in Prescott, the founding church, and the Presbyterian Indian people.Under Jimulla’s leadership, The Prescott Yavapai Tribal Council was formed to better ensure the people's voice in their own governing.