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Marsha Blackburn's full name is Marsha Mary Blackburn. She is a prominent American politician serving as the senior United States senator from Tennessee since January 3, 2019. Previously, Blackburn represented the 7th congressional district of Tennessee in the U.S. House of Representatives from 2003 to 2019. A member of the Republican Party, Blackburn is known for her conservative political views and her strong support for President Donald Trump.