John W. Leftwich
"(September 7, 1826 -- March 6, 1870) John William Leftwich was a(n) studier of medicine, merchant, public servant, mayor, and American politician. He was born in Liberty, Bedford County, Virginia and moved to Memphis, Tennessee. He was a delegate to the Democratic National Convention (1868) and Mayor of Memphis (1869 - 1870). John was elected as a Unconditional Unionist to the 39th Congress (July 24, 1866 - March 3, 1867) and contested the election of William J. Smith to the 41st Congress but died before he could prosecute the contest (1870). [Source: 'Biographical Directory of the United States Congress 1774 - present', available at https://bioguideretro.congress.gov/Home/MemberDetails?memIndex=L000217]"
Tennessee Delegation - United States Fourteenth Amendment & The Civil Rights Act of 1866