Jefferson County

Welcome to our Jefferson County family history research page. Here you'll find record collections, history, and genealogy resources to help you trace your Jefferson County ancestors.


Data Collections
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Jefferson County in the World War206

Data Collections
Sorted by Jefferson Directories & Member Lists
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Watertown, New York, U.S., Directories, 1888-189225,300
The Black River conference memorial : containing sketches of the life and character of the deceased members of the Black River367
Gazetteer and directory of Jefferson County, New York, for 1866-7209
Years of faith : a history of the First Presbyterian Church of Watertown, New York, 1803-1953163
Historical sketch of the Reformed Church of the Thousand Isles, Alexandria Bay, N.Y.30
View all Jefferson Directories & Member Lists (6)

Data Collections
Sorted by Jefferson Dictionaries, Encyclopedias & Reference
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Gazetteer and directory of Jefferson County, New York, for 1866-7209
Jefferson County sesqui-centennial program and historical almanac40
A topographical description of Jefferson County in the state of New-York7

Data Collections
Sorted by Jefferson Maps, Atlases & Gazetteers
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Gazetteer and directory of Jefferson County, New York, for 1866-7209
A topographical description of Jefferson County in the state of New-York7

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The north country : a history embracing Jefferson, St. Lawrence, Oswego, Lewis and Franklin Counties, New York1,780
Genealogical and family history of the county of Jefferson, New York1,442
Our county and its people : a descriptive work on Jefferson County, New York1,285
The growth of a century : as illustrated in the history of Jefferson County, New York, from 1793 to 1894989
History of Jefferson County, New York789
View all Jefferson Stories, Memories & Histories (32)