Due to the large amount of requests and correspondence received through the mail to the Records Center Office, we must ask researchers to fill out a request form before a search is initiated. Researchers who are able to come to the records center in person may research free of charge.

• Cemetery Records--A compilation of over 170 cemeteries in Oswego County.
  
  
• Census Records--Available for the years 1820, '50, '55, '60, '65, '70, '75, '80, '92, 1900, '05, '10, '15, '20, and '25.
  
  
• New York State Census Records-- 1855 and 1865, alphabetized.
  
  
• "History of Oswego County"-- 1877
  
  
• Naturalization Records-- Available beginning in 1829. Records from 1829-1906 contain only minimal information. After 1906, the complete naturalization records are available up to 1957.
  
  
• "Landmarks of Oswego County"--1895, Churchill.
  
  
• Marriage License Records-- 1908-1935 only.
  
  
• City Directories-- Oswego directories from 1869-1998 and Fulton directories from 1903-1998.
  
  
• Town Assessment Records-- c. 1850 to 1900.
  
  
• Naturalization Records-- 1830s-1950s.
  
  
• Town and Village Histories
  
  
• "Tree Talks" Newsletter of Central New York Genealogy Society, 1970s to 1990s.Includes a special Oswego County index.
  
  
• Genealogies and Family Histories (donated by researchers).
  
  
• "Stone's Atlas of Oswego County"-- c. 1867 maps which can be copied.
  
  
• Hunter Map of Oswego County-- c. 1854 which can be copied.
  
  
• Blankman's Map of Oswego County-- c. 1889, does not copy well.
  
  
• Miscellaneous donated records of early marriages, births and deaths in specific areas.