Jefferson County, New York
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Jefferson is a county in New York. It was formed in 1805 from the following county/ies: Oneida. The earliest land deed in Jefferson was recorded in 1805. Surrogate's Court records begin in 1805. For more information, contact the county at 175 Arsenal St., Watertown 13601-2522. On the attached map, Jefferson is located at M11.
For information about the state of New York see New York Family History Research.
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