Harrisburg, Pennsylvania, the state capital, had previously been under a burgess government but after its incorporation moved towards a mayoral system.  William H. Kepner, a millstone manufacturer and a Democrat was elected as the first Mayor of Harrisburg.  (By John Osborne) 
Source Citation
               Francis Vincent, Vincent's Semi-Annual United States Register.... 1st of January and 1st of July, 1860 (Philadelphia: Francis Vincent, 1860), 285.
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              Personal