New Horizons Genealogy

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Warren County New Jersey Genealogy and History

Warren County was formed in 1824 from Sussex County.

County Seat: Belvidere

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Search Free Warren County, New Jersey Genealogy and Family History Records Online including census, cemetery, vital, military and other genealogical and historical records that can be used for your family history research.

Warren County, New Jersey genealogy and family history page is a place where you can come in and research your genealogy and family history. We also do our best to provide a history of the area, to provide you with an overview of the time in which your ancestors lived.

We regret that we are unable to do personal research for you. All genealogical and family history records we come across are being added to this website. Please keep checking back.

Warren County Genealogy Records

Genealogy Research in Warren County, New Jersey

Warren County Clerk
Warren County Courthouse
413 Second Street
Belvidere, NJ 07823
Phone: (908) 475-6211

Adjacent counties

Warren County borders the following counties:

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