Government Archives - Discover Historic Oshkosh

  The first post office in Oshkosh was established in 1840 with John P. Gallup as postmaster, and indeed, only employee.  Mail arrived weekly, with frequency increasing over the years.   Early post offices shared a building with other businesses.  After the Great Fire of 1875, a building designed for the purpose was built on Washington

Planning for a new Winnebago County Courthouse began in May 1925. The group recommended the site of the Clark and Kennedy homes on the northwest corner of Jackson and Algoma. After years of debate concerning other possible locations, in December 1935 the board voted 24 - 20 to finally accept the Clark and Kennedy properties