News Kyrsten Sinema defeats Martha McSally to become Arizona’s first female senator November 12, 2018 Yvonne Wingett Sanchez and Ronald J. Hansen, Arizona Republic Comments Off on Kyrsten Sinema defeats Martha McSally to become Arizona’s first female senator Democrat Kyrsten Sinema will be the first woman in the state's 106-year-old history to take a seat on the floor of the U.S. Senate.