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Genealogy Resources for Oneida County, New York

Oneida County was formed from part of Herkimer County in 1798. Jefferson County and Lewis County were formed from parts of Oneida County in 1805 and in 1816 Oswego County was formed from parts of Oneida County and Onondaga County. The County Seat is Utica.

Oneida County encompasses approximately 1,213 square miles* in the State of New York.

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These resources for the State of New York may contain resources for Oneida County:

Free Genealogy Resources for this County
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Ancestors born here

Name
Branch
Birth Date
Town

Ancestors married here

Name
Branch
Date
Town

Ancestors who died here

Name
Branch
Date
Town

Ancestors buried here

Name
Branch
Town
Place

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State Capital: 

State Established:

Oneida County

Albany

Jul 26, 1788

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