This is an incomplete list of mayors of the City of Niagara Falls, Ontario.

Town of (Clifton 1856–1880) Niagara Falls 1856–1904 Gilbert McMicken (1856–1857) Frederic William Hill (1898)

City of Niagara Falls 1904–present 1. George Hanan (1904) 2. W. H. Phemister (1905) 3. R. P. Slater (1906–1907) 4. Richard F. Carter (1908) 3. R. P. Slater + (1909) 5. O. E. Dores (1910–1911) 6. Charles C. Cole (1912–1913) 5. O. E. Dores + (1914) 7. C. N. Glendening (1915–1917) 8. Harry P. Stephens (1918–1921) 9. Charles R. Newman (1922–1924) 10. Harry P. Stephens (1925–1928) 11. Charles Swayze (1929–1934) 12. Charles W. Anderson (1935–1937) 13. Carl Hanniwell (1938–1939) 14. George R. Inglis (1940–1946) 15. William Houck (1947–1950) 16. Ernest Hawkins (1951–1958) 17. Franklin Miller (1959–1964) 18. Robert F. Keighan (1965–1966) 17. Franklin Miller +(1967–1972) 19. George Bukator (1973–1978) 20. Wayne Thomson (1978–1983) 21. Bill Smeaton (1983–1991)"Smeaton ending 38-year political career" . Welland Tribune, August 10, 2010. 20. Wayne Thomson +(1991–2003) 22. Ted Salci (2003–2010) 23. Jim Diodati (2010–present)"Diodati ready to put city into ‘drive’". Niagara This Week, October 26, 2010.

Note + Second time as mayor

References