Start My Family Tree Welcome to Geni, home of the world's largest family tree.
Join Geni to explore your genealogy and family history in the World's Largest Family Tree.

Jefferson County, New York

Project Tags

view all

Profiles

Please add profiles for those who were born, lived or died in Jefferson County, New York.

Official Website

Jefferson County is part of Macomb's Purchase of 1791 and was split off from Oneida County in 1805. It was named after Thomas Jefferson, third President of the United States of America.

The United States Army's 10th Mountain Division is based at Fort Drum.

Adjacent Counties & Provinces

Cities, Towns, Villages & Hamlets

Adams | Adams Center | Alexandria | Alexandria Bay | Antwerp | Belleville | Black River | Brownville | Calcium | Cape Vincent | Carthage | Champion | Chaumont | Clayton | Deferiet | Depauville | Dexter | Ellisburg | Evans Mills | Felts Mills | Fishers Landing | Fort Drum | Glen Park | Great Bend | Henderson | Herrings | Hounsfield | La Fargeville | Le Ray | Lorraine | Lyme | Mannsville | Natural Bridge | Orleans | Oxbow | Pamelia | Pamelia Center | Philadelphia | Pierrepont Manor | Plessis | Redwood | Rodman | Rutland | Sackets Harbor | Sanfords Four Corners | Theresa | Thousand Island Park | Three Mile Bay | Watertown (County Seat) | West Carthage | Wilna | Worth

Links

Wikipedia

Boldt Castle

Fort Drum

Paddock Mansion

Jefferson County Genealogical Society

Sackets Harbor Battlefield

Tibbetts Point Lighthouse

NY Gen Web

New Horizons Genealogy

RAOGK

Between the Lakes Group

Genealogy Trails



upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Map_of_New_York_highlighting_Jefferson_County.svg/300px-Map_of_New_York_highlighting_Jefferson_County.svg.png