Mary Marsha Blackburn (née Wedgeworth; born June 6, 1952) is an American politician and businesswoman serving as the senior United States senator from Tennessee. Blackburn was first elected to the Senate in 2018. A member of the Republican Party, Blackburn was a state senator from 1999 to 2003 and represented Tennessee's 7th congressional district in the United States House of Representatives from 2003 to 2019, during which time the National