1795  Town of Brookfield formed from Town of Paris, Oneida County,  
      5 March 1795 
1795  Town of Cazenovia formed from the Towns of Whitesboro and  
      Paris, Oneida County, 5 March 1795 
1795  Town of Hamilton formed from Town of Paris, Oneida County,  
      5 March 1795 
1798  Town of DeRuyter formed from Town of Cazenovia, 15 February  
      1798 
1807  Town of Eaton formed from Town of Hamilton, 7 February 1807 
1807  Town of Lebanon formed from Town of Hamilton, 7 February 1807 
1807  Town of Madison formed from Town of Hamilton, 7 February 1807 
1807  Town of Nelson formed from Town of Cazenovia, 13 March 1807 
1807  Town of Smithfield formed from Town of Cazenovia, 13 March 1807 
1809  Town of Lenox formed from Town of Sullivan, 3 March 1809 
1815  Town of Georgetown formed from Town of DeRuyter, 7 April 1815 
1823  Town of Fenner formed from Cazenovia & Smithfield, 22 April 1823 
1836  Town of Stockbridge formed from Towns of Vernon & Augusta,  
      Oneida County and Smithfield and Lenox, 20 May 1836 
1803  Town of Sullivan formed from Town of Cazenovia, 22 February 1803  
1896  Town of Lincoln formed from Town of Lenox, 18 May 1896