<Table> <Tr> <Th> Years </Th> <Th> Name </Th> <Th> Municipality </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 57--58 years </Td> <Td> Charles E. Long </Td> <Td> Booneville, Kentucky </Td> <Td> Entered office in 1959 . </Td> </Tr> <Tr> <Td> 7004198710000000000 ♠ 54 years, 147 days </Td> <Td> Robert L. Butler </Td> <Td> Marion, Illinois </Td> <Td> Entered office in April 1963 . </Td> </Tr> <Tr> <Td> 7004175380000000000 ♠ 48 years, 6 days </Td> <Td> Leonard Scarcella </Td> <Td> Stafford, Texas </Td> <Td> Entered into office on September 4, 1969 . </Td> </Tr> <Tr> <Td> 7004170540000000000 ♠ 46 years, 252 days </Td> <Td> H. Ford Gravitt </Td> <Td> Cumming, Georgia </Td> <Td> Entered office on January 1, 1971 . Served four years on City Council (1967 - 1970) </Td> </Tr> <Tr> <Td> 7004170540000000000 ♠ 46 years, 252 days </Td> <Td> Robert Blais </Td> <Td> Lake George, New York </Td> <Td> Began current term on April 5, 1971 . </Td> </Tr> <Tr> <Td> 44--45 years </Td> <Td> Richard A. Mola </Td> <Td> Elmwood Park, New Jersey </Td> <Td> Entered office in 1972 . </Td> </Tr> <Tr> <Td> 41--42 years </Td> <Td> Margaret Doud </Td> <Td> Mackinac Island, Michigan </Td> <Td> Entered office in April 1975 . </Td> </Tr> <Tr> <Td> 40--41 years </Td> <Td> Willie Oswalt </Td> <Td> Lake City, Georgia </Td> <Td> Entered office in 1976 . </Td> </Tr> <Tr> <Td> 40--41 years </Td> <Td> Harold Rainwater </Td> <Td> Wilmore, KY </Td> <Td> Entered office in 1976 . </Td> </Tr> <Tr> <Td> 39--40 years </Td> <Td> Jim L. Sells </Td> <Td> Rogersville, Tennessee </Td> <Td> Entered office in 1977 . </Td> </Tr> <Tr> <Td> 38--39 years </Td> <Td> Robert Chatfield </Td> <Td> Prospect, Connecticut </Td> <Td> Entered office in 1978 . </Td> </Tr> <Tr> <Td> 37--38 years </Td> <Td> Noel B. Cummings </Td> <Td> Hodgkins, Illinois </Td> <Td> Entered office in 1979 . </Td> </Tr> <Tr> <Td> 35--36 years </Td> <Td> Jeffery D. Schielke </Td> <Td> Batavia, Illinois </Td> <Td> Entered office in 1981 . </Td> </Tr> <Tr> <Td> 7004132150000000000 ♠ 36 years, 66 days </Td> <Td> Mark Anthony McClure </Td> <Td> Danville, West Virginia </Td> <Td> Entered office on July 6, 1981 . </Td> </Tr> <Tr> <Td> 7004126710000000000 ♠ 34 years, 252 days </Td> <Td> William "Bill" McIntosh </Td> <Td> Moultrie, Georgia </Td> <Td> Entered office in 1983 . </Td> </Tr> <Tr> <Td> 31--32 years </Td> <Td> Louie Davis </Td> <Td> Waldo, Florida </Td> <Td> Entered office in 1985 . </Td> </Tr> </Table> <Tr> <Th> Years </Th> <Th> Name </Th> <Th> Municipality </Th> <Th> Notes </Th> </Tr> <Tr> <Td> 57--58 years </Td> <Td> Charles E. Long </Td> <Td> Booneville, Kentucky </Td> <Td> Entered office in 1959 . </Td> </Tr> <Tr> <Td> 7004198710000000000 ♠ 54 years, 147 days </Td> <Td> Robert L. Butler </Td> <Td> Marion, Illinois </Td> <Td> Entered office in April 1963 . </Td> </Tr>

Who is the longest serving mayor in us history