Marsha Blackburn was elected to the state Senate in 1998, becoming the first woman to represent the 23rd District.
She had previously run unsuccessfully against veteran U.S. Rep. Bart Gordon in the 6th District. Her hometown of Brentwood, an affluent suburb of Nashville, was moved into the 7th District by Democratic state lawmakersseeking to strengthen Gordon's district and make the 7th more Republican.
Blackburn defeated Democrat Tim Barron in the 2002 general election with 71 percent of the vote.