Jefferson County, New York Genealogy

United States &gt; New York &gt; Jefferson County

County Courthouse
195 Arsenal St. Watertown, NY

History



 * Named for Thomas Jefferson, the third President of the United States.

Parent County

 * Created 28 March 1805 from Oneida County.

Boundary Changes

 * 1817, Carleton Island, captured from the British in the War of 1812 was annexed.

City

 * Watertown

Military

 * Fort Drum

Neighboring Counties
Lewis | Oswego | St. Lawrence | Ontario counties: Frontenac | Grenville | Leeds

Cemeteries

 * Search Jefferson County cemetery burials. NNY Genealogy - Stories in Stone

State Census Record
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Jefferson county, New York Census - done by the state
Yes
 * bgcolor="#bdb76b" | Source
 * bgcolor="#bdb76b" align="center" | 1825
 * bgcolor="#bdb76b" align="center" | 1835
 * bgcolor="#bdb76b" align="center" | 1845
 * bgcolor="#bdb76b" align="center" | 1855
 * bgcolor="#bdb76b" align="center" | 1865
 * bgcolor="#bdb76b" align="center" | 1875
 * bgcolor="#bdb76b" align="center" | 1892
 * bgcolor="#bdb76b" align="center" | 1905
 * bgcolor="#bdb76b" align="center" | 1915
 * bgcolor="#bdb76b" align="center" | 1925
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 * FamilySearch Records
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 * Ancestry.com
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Newspapers

 * Northern New York Historical Newspapers

Search the Watertown Herald, years1886-1918.

Web Sites

 * The Jefferson County NYGenWeb Project, an member of The NYGenWeb Project, an affiliate of The USGenWeb Project.
 * The USGenWeb Archives Project for Jefferson County.
 * The USGenWeb Archives Project for Jefferson County. (Mirror site)
 * FamilySearch.org Family History Library catalog for Jefferson County