Oswego County NY Genealogy

USA (1,379,301) > New York (69,866) > Oswego County (1,045)

If you're not sure which records would be helpful, you can try our Ancestor Source Finder tool. Oswego County Records by Type Birth Records (6) Cemetery Records (357) Census Records (86) Church Records (55) City Directories (123) Court Records (1) Death Records (9) Histories and Genealogies (68) Immigration Records (4) Land Records (4) Map Records (49) Marriage Records (12) Military Records (23) Miscellaneous Records (5) Newspapers and Obituaries (195) Probate Records (3) School Records (40) Tax Records (5)

Overview of Oswego County Records

• Oswego County was created in 1816 from Oneida and Onondaga counties.
• The New York State Department of Health has copies of birth, marriage, and death records starting in 1880. Individual town or city clerks also have copies of birth, marriage, and death records.
• The Oswego County Clerk has marriage records starting in 1907, land records starting in 1791, divorce records, court records starting in 1791, and military discharge records.
• The Oswego County Records Center has state census records sfrom 1850 to 1925, naturalization records from the 1830s to 1950s, and some burial records.
• The Oswego County Surrogate Court has probate records starting in 1816.
• Online indexes and images of many of the above records can be found by using the links on this site.