This is a list of mayors of the City of Williamsport, in the U.S. state of Pennsylvania, from 1866–present.Maj. James M. Wood, 1866–1867 Dr. William F. Logan, 1867–1869 Peter Herdic, 1869–1870 Maj. James H. Perkins, 1870–1872 Seth W. Starkweather, 1872–1874 Martin Powell, 1874–1876 Seth W. Starkweather, 1876–1878 Henry C. Parsons, 1882–1884 Samuel M. Crans, 1884–1886 William N. Jones, 1886–1888 James S. Foresman, 1888–1890 Frederick H. Keller, 1890–1893 William G. Elliot, 1893–1896 James Mansel, 1896–1899 Samuel N. Williams, 1899–1902 John F. Laedlein, 1902–1905 Seth T. Foresman, 1905–1908 Charles D. Wolfe, 1908–1911 Samuel Stabler, 1911–1916 Jonas Fischer, 1916–1917 Archibald M. Hoagland, 1917–1924 Hugh Gilmore, 1924–1928 Herbert T. Ames, 1928–1932 George K. Harris, 1932–1936 Charles D. Wolfe, 1936–1940 Leo C. Williamson, 1940–1952 Clifford L. Harman, 1952–1956 Thomas H. Levering, 1956–1964 Raymond M. Knaur, 1964–1968 Richard J. Carey, 1968–1972 John R. Coder, 1972–1976 Daniel P. Kirby, 1976–1980 Stephen J. Lucasi, 1980–1988 Jessica L. Bloom, 1988–1992 – First female mayor. Bloom was a former member of City Council. Was the chairwoman of Lycoming County Democratic Party until her death in 2023. Phillip E. Preziosi, 1992–1996 – Former member of City Police Department. Second officer to win mayor's office. Steven W. Cappelli, 1996–2000 – Resigned to become State Representative from 83rd legislative district, 2001–2009 Michael R. Rafferty, 2000–2004 – Served nine years on City Council, six years as council president. Mary B. Wolf, 2004–2008 – Second female mayor. Wolf was a former member of City Council and a former college professor. Gabriel J. Campana, 2008–2020 Derek Slaughter, 2020 – first African-American male Democratic mayor. Slaughter was a former school teacher.