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Genealogy: Important Contacts

County Clerk Offices

County Clerks are the place to go when looking for official land and public court records.

Jefferson County Clerk's Office


Lewis County Clerk's Office


Oswego County Clerk's Office


St. Lawrence County Clerk's Office


No email provided online.

Town and Village Offices

You'll need the contact information for individual town and/or village offices when you're ready to obtain official birth, marriage, or death certificates for your ancestors. You'll also need the certificate number and place that the certificate was filed. You can get this information from the state vital statistic records. Contact your local public librarian if you need help with this step!

New York State Department of Health

The New York State Department of Health is also a place for you to obtain original birth, marriage, and death certificates. This is also an important place for adoptees to go when they wish to receive a pre-adoption birth certificate at 18 years of age. Visit their website for more information.

10th Mountain Division & Fort Drum Museum


The 10th Mountain Division & Fort Drum Museum is a fantastic resource when you're looking to decipher military records and understand stories!

315-774-0391 or 315-774-0253

Historical Societies

Your local historical society may be a wealth of little-known information!

Jefferson County Historical Society


Lewis County Historical Society


Oswego County Historical Societies 

[this link takes you to a list of individual societies throughout the county]


St. Lawrence County Historical Association


Email this organization by completing a form online.

Genealogical Societies

Genealogical societies are often full of experienced researchers who may have expertise to share!

Jefferson County Genealogical Society

Jefferson County New York Genealogical Society (JCNYGS)

PO Box 6453

Watertown, NY 13601

Email this organization by completing a form online.

Oswego County Records Center


Complete a research form before a search is initiated. Contact the Records Center directly for more information.

Not from Northern New York?

Not from Northern New York? Contact your local equivalent or see your public librarian for help finding the information!