William Bailey Lamar (June 12, 1853 – September 26, 1928) was an American attorney and politician who served as a U.S. representative from Florida from 1903 to 1909.

He lived in Athens, Georgia, from 1866 until 1873, when he began attending Cumberland University's law school in Lebanon, Tennessee, graduating in 1875.

[3] Lamar served as a representative until 1889, when he was appointed the 16th Florida Attorney General by newly elected Governor Francis P.

[4] During his long 14-year tenure as Attorney General, Lamar oversaw the industrialization and modernization of the formerly agrarian Florida economy.

[5] However, Lamar ensured that Florida would remain segregated, as he turned a blind eye while his subordinates instituted laws banning blacks from entire towns.

[10] The Legislature then appointed the former mayor of Marianna, Florida, William Hall Milton, to the Senate seat, which was up for election later that year.