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Genealogy Resources for Jefferson County, New York

Jefferson County was formed from part of Oneida County in 1805. The County Seat is Watertown.

Jefferson County encompasses approximately 1,272 square miles* in the State of New York.

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

Free Genealogy Resources for this County
150 years of Watertown (New York)
A brief historical sketch of Carthage, New York
A historical sketch of the town of Cape Vincent read at the centennial celebration of the township, July 4, 1876
A history of Jefferson County in the state of New York from the earliest period to the present time
A topographical description of Jefferson County in the state of New-York
Centennial historical souvenir of Watertown, New York
Gazetteer and directory of Jefferson County, New York, for 1866-7
Genealogical and family history of northern New York a record of the achievements of her people in the making of a commonwealth and the founding of a nation
Genealogical and family history of the county of Jefferson, New York a record of the achievements of her people and the phenomenal growth of her agricultural and mechanical industries
Historical Sackets Harbor museum and Madison Barracks located at the eastern end of Lake Ontario on the Roosevelt Highway
Historical sketch of the Reformed Church of the Thousand Isles, Alexandria Bay, N.Y.
History of Jefferson County, New York with illustrations and biographical sketches of some of its prominent men and pioneers
Jefferson County centennial, 1905 speeches, addresses, and stories of the towns
Jefferson County sesqui-centennial program and historical almanac 1805-1955, one hundred and fifty years of progress
Our county and its people a descriptive work on Jefferson County, New York
Souvenir of Watertown, N.Y., from recent photographs
The growth of a century as illustrated in the history of Jefferson County, New York, from 1793 to 1894
The north country a history embracing Jefferson, St. Lawrence, Oswego, Lewis and Franklin Counties, New York
The park picturesque, Watertown, New York
Watertown, N.Y. a history of its settlement and progress
Year book, 1920, Arlington Street Church of Christ, Arlington near Franklin, Watertown, NY
Years of faith a history of the First Presbyterian Church of Watertown, New York, 1803-1953

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State Capital: 

State Established:

Jefferson County

Albany

Jul 26, 1788

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