- Patricia Lynn Murray (née Johns; born October 11, 1950) is an American politician who has served as president pro tempore of the United States Senate since 2023 and the senior United States Senator from Washington since 1993. A member of the Democratic Party, Murray served in the Washington State Senate from 1989 to 1993. She was Washington’s first female U.S. senator and is the first woman in American history to hold the position of president pro tempore. Murray is also the youngest senator to occupy the office of president pro tempore in more than five decades. As president pro tempore, Murray is third in the line of succession to the U.S. presidency.