Jefferson County - New York Genealogy - Ancestry Research & Family History

Genealogy Resources - Jefferson County, New York

Please follow the links below to learn more about your New York ancestors. Many great records relating to your family history can be found online and at local archives, libraries, courthouses, and genealogical and historical societies located throughout the state. New York Genealogy is your resource to help you find these and other important records which are critical to your research.

Archives and Libraries

1000 Islands Museum of Clayton

Adams Center Free Library - Adams Center, NY

Adams Free Library - Adams, NY

Belleville Philomathean Library - Belleville, NY

Bodman Memorial Library - Philadelphia, NY

Boldt Castle - Jefferson County, NY

Brownville-Glen Park Library - Brownville, NY

Cape Vincent Community Library - Cape Vincent, NY

Carthage Free Library - Carthage, NY

Crosby Public Library - Antwerp, NY

Depauville Free Public Library - Depauville, NY

Dexter Free Library - Dexter, NY

East Hounsfield Free Library - Watertown, NY

Ellisburg Library - Ellisburg, NY

Evans Mills Public Library - Evans Mills, NY

FamilySearch - Family History Center Locator: Jefferson County

FamilySearch Catalog - Jefferson County, NY

The Flower Library Genealogy Department

Grindstone Island Research & Heritage Center

Hawn Memorial Library - Clayton, NY

Hay Memorial Library - Sackets Harbor, NY

Henderson Free Library - Henderson, NY

Jefferson County Records Management - Watertown, NY

Lyme Free Library - Chaumont, NY

Macsherry Library - Alexandria Bay, NY

Mannsville Free Library - Mannsville, NY

NYGenWeb Project - Jefferson County Site Index

New York State Archives - Albany, NY

New York State Library - Albany, NY

Orleans Public Library - La Fargeville, NY

The Pickering-Beach Historical Museum

Rodman Public Library - Rodman, NY

Roswell P. Flower Memorial Library - Watertown, NY

Sally Ploof Hunter Memorial Library - Black River, NY

Stone Mills Museum - Jefferson County, NY

Theresa Free Library - Theresa, NY

Thousand Island Park Library - Thousand Island Park, NY

USGenWeb Archives - Jefferson County, NY Archives

Watertown Historian - Jefferson County, NY

Bible Records

USGenWeb Archives - Jefferson County Bible Records

Biographies

Biographies - Jefferson County New York

Genealogical and Family History of the County of Jefferson, New York

Genealogical and Family History of the County of Jefferson, New York 1905

Genealogy Trails History Group - Jefferson County Biographies

Geographical Gazetteer of Jefferson County, N.Y 1685-1890

History of Jefferson County, New York 1878

New York Genealogy - Biographies of Adams, Jefferson County, New York

New York Genealogy - Biographies of Alexandria, New York, Thomas Benton Marshall

New York Genealogy - Biographies of Alexandria, New York, Azariah Walton

New York Genealogy - Biographies of Alexandria, New York, Chauncey Westcott

New York Genealogy - Biographies of Antwerp New York, Leonard A. Bacon

New York Genealogy - Biographies of Antwerp New York, E. A. Carpenter

New York Genealogy - Biographies of Antwerp New York, Abraham Cooper

New York Genealogy - Biographies of Antwerp New York, Caleb G. Hall

New York Genealogy - Biographies of Antwerp New York, Elijah Houghton

New York Genealogy - Biographies of Antwerp New York, Colonel Hiram B. Keene

New York Genealogy - Biographies of Antwerp New York, Hiram T. Nutting

New York Genealogy - Biographies of Antwerp New York, Lawrence Weston

New York Genealogy - Biographies of Antwerp New York, Henry S. White

New York Genealogy - Lewis Family of Antwerp New York

New York Genealogy - Biographies of Brownville, Jefferson County, New York

New York Genealogy - Biographies of Watertown, New York, Life Sketch of William Huntington

NYGenWeb Project - Jefferson County People

NYGenWeb Project - Jefferson County Pioneers

Northern New York - Jefferson County, NY

Online Biographies - Biographies of Jefferson County, New York

Our County and its People - Jefferson County, NY

Our Family Tree - Jefferson County, NY

USGenWeb Archives - Jefferson County Biographies

US-Census.org - Jefferson County Biographies

Wikipedia.org - People from Jefferson County, NY

Cemeteries

Calvary Cemetery Surname Index

Epodunk.com - Jefferson County Cemeteries

Find A Grave - Jefferson County, NY Cemeteries

Genealogy Trails History Group - Jefferson County Cemeteries

Glenwood Surnames - Jefferson County, NY

Interment.net - Jefferson County, NY Cemeteries

LDS Genealogy - Jefferson County Cemetery Records

New York Cemetery Transcription & Photo Project - Jefferson County

New York Genealogy - Adams Rural Cemetery, Adams Village, New York

New York Genealogy - Alexandria, Barnes Cemetery

New York Genealogy - Alexandria, Barnes Settlement Cemetery

New York Genealogy - Old Cemeteries of Antwerp New York

New York Genealogy - Brownville, Luther Hill Cemetery

NYGenWeb Project - Jefferson County Cemeteries

NYGenWeb Project - Jefferson County Inscriptions

New York Gravestone Photo Project - Jefferson County, NY

The Political Graveyard - Jefferson County, NY

The Tombstone Transcription Project - Jefferson County, NY

Town of Champion Cemeteries

Town of Watertown

USGenWeb Archives - Jefferson County Cemetery Records

Wayback Machine - North Watertown Cemetery

Census Records

Ancestry.com - 1810 United States Federal Census

Ancestry.com - 1820 United States Federal Census

Ancestry.com - 1830 United States Federal Census

Ancestry.com - 1840 United States Federal Census

Ancestry.com - 1850 United States Federal Census

Ancestry.com - 1860 United States Federal Census

Ancestry.com - 1870 United States Federal Census

Ancestry.com - 1880 United States Federal Census

Ancestry.com - 1890 Veterans Schedules

Ancestry.com - 1900 United States Federal Census

Ancestry.com - 1910 United States Federal Census

Ancestry.com - 1920 United States Federal Census

Ancestry.com - 1930 United States Federal Census

Census-Online.com - Jefferson County, NY

Genealogy Trails History Group - Jefferson County Census Records

New York State Census, 1875

Official 1940 Census Website - Jefferson County, NY

USCensus.org - Jefferson County, NY

USGenWeb Archives - Jefferson County Census

1855 New York State Census - Jefferson County

1880 Census Records - Jefferson County, NY

14th Census of Population (Reel 1116-1920) - Jefferson County, NY

14th Census of Population (Reel 1117-1920) - Jefferson County, NY

15th Census, Population, 1930 (Reel 1442) - Jefferson County, NY

15th Census, Population, 1930 (Reel 1443) - Jefferson County, NY

15th Census, Population, 1930 (Reel 1444) - Jefferson County, NY

LDS Genealogy - Jefferson County Census Records

NYGenWeb Project - Jefferson County Census Records

Church Records

Ancestry.com - Historical sketch of the Reformed Church of the Thousand Isles, Alexandria Bay, N.Y.

Ancestry.com - Years of Faith : A History of the First Presbyterian Church of Watertown, New York, 1803-1953

LDS Genealogy - Jefferson County Church Records

New York Genealogy - Adams Center, NY Seventh-Day Baptist Church

New York Genealogy - Adams Village, NY Baptist Church and Society

New York Genealogy - Adams Village, NY Emanuel Episcopal Church

New York Genealogy - Adams Village, NY First Congregational Society

New York Genealogy - Adams Village, NY Methodist Episcopal Church

New York Genealogy - Adams Village, NY Presbyterian Church

New York Genealogy - North Adams, NY History of the Second Congregational Church

New York Genealogy - Alexandria, NY Church History

New York Genealogy - Antwerp, NY History of the First Congregational Church

New York Genealogy - Antwerp, NY History of Ives Seminary

New York Genealogy - Antwerp, NY History of St. Paul's Church

New York Genealogy - Antwerp, NY Historical Churches

New York Genealogy - Evans Mills, NY Methodist Circuit Accounts, 1878-1880

New York Genealogy - Hammond, NY Methodist Circuit Accounts, 1878-1880

New York Genealogy - Lafargeville, NY Church Records of the Evangelical Association, 1853-1903

New York Genealogy - Oxbow, NY Presbyterian Church, 1857-1912

New York Genealogy - Plessis, NY Methodist Circuit Accounts, 1882-1888

New York Genealogy - Watertown, NY Black River Conference Memorial

New York Genealogy - Watertown, NY Black River and Northern New York Conference Memorial

Court Records

Jefferson County Government - Court Records

Jefferson County Surrogate's Court Clerk - Watertown, NY

LDS Genealogy - Jefferson County Court Records

Livingston's Law Register, 1851 - Jefferson County, NY

USGenWeb Archives - Jefferson County Court Records

Directories

LDS Genealogy - Jefferson County City Directories

New York Genealogy - 1890 Business Directory of Alexandria, New York

NYGenWeb Project - Jefferson County Directories

Estate Records

Ancestry.com - Gazetteer and directory of Jefferson County, New York, for 1866-7

Ancestry.com - Watertown, New York Directories, 1888-92

Jefferson County, New York Will Testators

LDS Genealogy - Jefferson County Probate Records

New York Genealogy - 1866 Jefferson County Business Directory

New York Genealogy - 1867-1868 Businesses in Jefferson County

New York Genealogy - 1879 Kimball's Jefferson County New York Directory

New York Genealogy - 1890 Business Directory of Adams New York

New York Genealogy - 1890 Business Directory of Brownville New York

New York Genealogy - 1893 Kimball's Jefferson County New York Directory

New York Genealogy - 1918 Jefferson County Farm Directory and Reference Book

NYGenWeb Project - Jefferson County Wills

Probate Records 1629-1971

USGenWeb Archives - Jefferson County Will Records, Probates & Indexes

Family Genealogy

New York Genealogy - Camp Genealogy of Jefferson County, New York

New York Genealogy - Genealogical and family history of the county of Jefferson County New York, Vol 1

New York Genealogy - Genealogical and family history of the county of Jefferson County New York, Vol 2

New York Genealogy - Genealogy and History of Adams New York

New York Genealogy - Hungerford Genealogy of Jefferson County, New York

New York Genealogy - Flower Genealogy of Jefferson County, New York

NYGenWeb Project - Jefferson County Family Files

NYGenWeb Project - Jefferson County Family Links

NYGenWeb Project - Jefferson County Pioneers

NYGenWeb Project - Jefferson County Surnames (A-D)

NYGenWeb Project - Jefferson County Surnames (E-K)

NYGenWeb Project - Jefferson County Surnames (L-R)

NYGenWeb Project - Jefferson County Surnames (S-Z)

History

The Birth of the Counties - The North Country

Every Name Index - History of Jefferson County in the State of NY

Folk-Stories of the Northern Border

Gazetteer of the State of New York, 1860

Genealogy Trails History Group - Jefferson County History

Geographical Gazetteer of Jefferson county, NY 1685-1890

Geography of the State of New York, 1847

The Growth of a Century - Jefferson County, NY

A History of Jefferson County in the State of New York

A History of the Jefferson County Region

The Jefferson County Historical Society 1891

Jefferson County Prior to 1797

LDS Genealogy - Jefferson County Histories and Genealogies

National Register of Historic Places - Jefferson County, NY

The Natural, Statistical and Civil History of the State of New York, 1829

New York Genealogy - Alexandria Township New York History and Genealogy

New York Genealogy - Early History of Brownville, New York

New York Genealogy - The First Settlers of Antwerp, New York

New York Genealogy - History of Ox Bow, New York

New York Genealogy - History of Plessis Village, New York

New York Genealogy - History of Redwood Village, New York

New York Genealogy - History of Sprague’s Corners, New York

New York Genealogy - History of Sterlingburgh, New York

New York Genealogy - History of Westminster Park, New York

New York Genealogy - Incorporation of the Village of Antwerp, New York

New York Genealogy - Organization of the Town of Antwerp, New York

Religion in Jefferson County, NY

Roswell P. Flower Memorial Museum

Sermon Preached at the Opening of the Synod of Albany

Thousand Islands Life, Online Magazine

Transactions of Jefferson County Historical Society

USGenWeb Archives - Jefferson County History

Wikipedia.org - Jefferson County, NY

Wikipedia.org - National Register of Historic Places listings in Jefferson County, New York

Immigration and Naturalization Records

Jefferson County, New York Declarations of Intent

LDS Genealogy - Jefferson County Immigration Records

Northern District Court of NY Naturalization Project

Land Records

Bureau of Land Management - Federal Land Records

Jefferson County Government - Land Records

LDS Genealogy - Jefferson County Land Records

NYGenWeb Project - Jefferson County Deeds

USGenWeb Archives - Jefferson County Deed / Land Records

Map Records

Hearthstone Legacy Publications - Historic New York Map Reprints

LDS Genealogy - Jefferson County Map Records

My Genealogy Hound - Jefferson County, New York

NYGenWeb Project - Jefferson County Family Maps

USGenWeb Archives - New York Digital Map Library

WebArchive.org - 1895 Atlas of NY

Wikipedia.org - Jefferson County Geography

Military Records

Ancestry.com - WWI Draft Registration Cards, 1917-1918

Archive.org - Brownville Co. K 35th Regiment New York Infantry

Archive.org - Jefferson County in the World War

Census of Pensioners for Revolutionary or Military Services, 1841

Genealogy Trails History Group - Jefferson County Military Records

Jefferson County Men Who Made the Supreme Sacrifice in World War I

LDS Genealogy - Jefferson County Military Records

List of Pensioners on the Roll January 1, 1883 - Jefferson County, NY

National Archives - WWII Army Casualties: Jefferson County, New York

National Archives - WWII Army Casualties: Jefferson County, New York (con't)

NYGenWeb Project - Jefferson County Military

USGenWeb Archives - Jefferson County Military Services & Pensions

Wayback Machine - Korean War Honor Roll

Wayback Machine - Honor Roll - Vietnam

Wayback Machine - Jefferson County, NY Honor Roll

World War II Casualties, Army and Army Air Corps

Minority Records

LDS Genealogy - Jefferson County Minority Records

Miscellaneous Records

LDS Genealogy - Jefferson County Miscellaneous Records

NYGenWeb Project - Jefferson County Farmers

NYGenWeb Project - Jefferson County Meetings

NYGenWeb Project - Jefferson County Migrations

NYGenWeb Project - Jefferson County Real Estate

New York Counties

Albany County

Allegany County

Bronx County

Broome County

Cattaraugus County

Cayuga County

Chautauqua County

Chemung County

Chenango County

Clinton County

Columbia County

Cortland County

Delaware County

Dutchess County

Erie County

Essex County

Franklin County

Fulton County

Genesee County

Greene County

Hamilton County

Herkimer County

Jefferson County

Kings County

Lewis County

Livingston County

Madison County

Monroe County

Montgomery County

Nassau County

New York County

Niagara County

Oneida County

Onondaga County

Ontario County

Orange County

Orleans County

Oswego County

Otsego County

Putnam County

Queens County

Rensselaer County

Richmond County

Rockland County

St. Lawrence County

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Schoharie County

Schuyler County

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Steuben County

Suffolk County

Sullivan County

Tioga County

Tompkins County

Ulster County

Warren County

Washington County

Wayne County

Westchester County

Wyoming County

Yates County

Newspaper Records

Genealogy Trails History Group - Jefferson County Newspaper Data

Jefferson County, NY - Chronicling America

LDS Genealogy - Jefferson County Newspapers and Obituaries

Newspaper Records - Jefferson County, NY

NYGenWeb Project - Jefferson County Tidbits

NYS Historic Newspapers - Jefferson County, New York

New York State Newspapers - Jefferson County (NY) Newspapers on Microfilm

Northern New York Historical Newspapers

Watertown Daily Times - Jefferson County Archive (1988 – present)

Obituaries

Genealogy Trails History Group - Jefferson County Obituaries

LDS Genealogy - Jefferson County Newspapers and Obituaries

Obituary Index - Jefferson County, NY

Reed& Benoit Funeral Home/Carpenter-Stoodley Funeral Home

USGenWeb Archives - Jefferson County Obituaries & Death Notices

US-Census.org - Jefferson County Obituary

Photographs

Archive.org - Picturesque Watertown, N.Y.

Archive.org - Views of Watertown, N.Y., and its Picturesque Park

My Genealogy Hound - Historic Photos and Vintage Postcards of New York

National Archives - Jefferson County, New York

NYGenWeb Project - Old Houses of the North Country

Publications

Ancestry.com - A Brief Historical Sketch of Carthage, New York

Ancestry.com - Historical Sacket [sic] Harbor Museum and Madison Barracks

Ancestry.com - 1000 Island House, Season of '86 : Alexandria Bay, River St. Lawrence

Ancestry.com - Outline of the Object, Work, Condition, and Needs of the Society : Some Historic Facts and Pictures of Jefferson County

Ancestry.com - Watertown and its Mile of Saloons : An Economical and Scientific Study of a Local Matter of Vital Interest

Ancestry.com - 150 Years of Watertown

Archive.org - 1685-1890 Child's Geographical Gazetteer of Jefferson County, N.Y.

Archive.org - 1793-1894 The Growth of a Century: as Illustrated in the History of Jefferson County, New York

Archive.org - 1797 Jefferson County, New York

Archive.org - 1854 A History of Jefferson County in the State of New York

Archive.org - 1878 History of Jefferson County, NY - Everts and Holcomb

Archive.org - 1886-7 Transactions

Archive.org - 1895 Transactions

Archive.org - 1898 Our County and its People. A Descriptive Work on Jefferson County, New York

Archive.org - 1905 Jefferson County, New York Centennial: Speeches, Addresses and Stories of the Towns

Archive.org - 1905 Jefferson County, New York Centennial: Speeches, Addresses and Stories of the Towns

Archive.org - 1906 The History of Penet Square

Archive.org - 1906 The History of Penet Square

Archive.org - Cape Vincent and its History

Archive.org - Folk-Stories of the Northern Border

Archive.org - Memories of the Old Homestead

Archive.org - A Souvenir of the Thousand Islands of the St. Lawrence River from Kingston and Cape Vincent to Morristown and Brockville

Archive.org - Through Eleven Decades of History

Archive.org - Watertown, N.Y.

FamilySearch.org - Hubbard Genealogy and History

FamilySearch.org - Some Descendants of Thomas Fortune (1821-1900) and Ann Hagan (1832-1902) of Jefferson County, New York

HathiTrust Digital Library - A History Embracing Jefferson, St. Lawrence, Oswego, Lewis and Franklin Counties, New York, Vol. 1

HathiTrust Digital Library - A History Embracing Jefferson, St. Lawrence, Oswego, Lewis and Franklin Counties, New York, Vol. 2

HathiTrust Digital Library - A History Embracing Jefferson, St. Lawrence, Oswego, Lewis and Franklin Counties, New York, Vol. 3

HathiTrust Digital Library - The Sapbush Run

Resources

Ancestry.com - Card Catalog

Genealogy Quest - New York Misc Records

FamilySearch Wiki - Jefferson County, New York

Jefferson County Government - Watertown, NY

NYGenWeb Project - Jefferson County Addresses

USGenNet - Jefferson County, New York

School Records

LDS Genealogy - Jefferson County School Records

NYGenWeb Project - 1923 Adams High School Senior Annual

NYGenWeb Project - 1924 Adams High School Senior Annual

New York Heritage - 1965-2001 Jefferson Community College

New York Heritage - 1907-2010 Watertown High School Annual Yearbooks

Wikipedia.org - Jefferson County Education

Societies

Central New York Genealogical Society

Historical Association of South Jefferson

Jefferson County Genealogical Society

Jefferson County Historical Society

Jefferson County New York Genealogical Society

Jefferson County's Stone Building Appreciation Society

4 River Valleys Historical Society

Rock Island Lighthouse Historical & Memorial Association

Surnames

Tax Records

LDS Genealogy - Jefferson County Tax Records

Towns, Cities & Villages

City of Watertown - Watertown, NY

Jefferson County New York History - Town Histories

LDS Genealogy - Jefferson County Records by City/Town

NYGenWeb Project - Adams, NY

NYGenWeb Project - Alexandria, NY

NYGenWeb Project - Antwerp, NY

NYGenWeb Project - Brownville, NY

NYGenWeb Project - Cape Vincent, NY

NYGenWeb Project - Champion, NY

NYGenWeb Project - Clayton, NY

NYGenWeb Project - Ellisburg, NY

NYGenWeb Project - Henderson, NY

NYGenWeb Project - Hounsfield, NY

NYGenWeb Project - Leray, NY

NYGenWeb Project - Lorraine, NY

NYGenWeb Project - Lyme, NY

NYGenWeb Project - Orleans, NY

NYGenWeb Project - Pamelia, NY

NYGenWeb Project - Philadelphia, NY

NYGenWeb Project - Rodman, NY

NYGenWeb Project - Rutland, NY

NYGenWeb Project - Theresa, NY

NYGenWeb Project - Watertown, NY

NYGenWeb Project - Wilna, NY

NYGenWeb Project - Worth, NY

NYGenWeb Project - City of Watertown, NY

Town of Adams - Adams, NY

Town of Alexandria - Alexandria Bay, NY

Town of Brownville - Dexter, NY

Town of Cape Vincent - Cape Vincent, NY

Town of Champion - West Carthage, NY

Town of Clayton - Clayton, NY

Town of Henderson - Henderson, NY

Town of Hounsfield - Watertown, NY

Town of LeRay - Evans Mills, NY

Town of Lorraine - Lorraine, NY

Town of Lyme - Chaumont, NY

Town of Orleans - LaFargeville, NY

Town of Philadelphia - Philadelphia, NY

Town of Rodman - Rodman, NY

Town of Theresa - Theresa, NY

Town of Watertown - Watertown, NY

Town of Wilna - Carthage, NY

USGenNet - Jefferson County, New York Towns

Village of Adams - Adams, NY

Village of Alexandria Bay - Alexandria Bay, NY

Village of Antwerp - Antwerp, NY

Village of Black River - Black River, NY

Village of Brownville - Brownville, NY

Village of Cape Vincent - Cape Vincent, NY

Village of Carthage - Carthage, NY

Village of Clayton - Clayton, NY

Village of Dexter - Dexter, NY

Village of Sackets Harbor - Sackets Harbor, NY

Village of Theresa - Theresa, NY

Wikipedia.org - Jefferson County City

Wikipedia.org - Jefferson County Hamlets

Wikipedia.org - Jefferson County Towns

Wikipedia.org - Jefferson County Villages

Vital Records

1000 Vital Records - Jefferson County, NY

GEDCOM Index - Jefferson County, NY

Genealogy Trails History Group - Jefferson County Marriages

GenWed.com - Jefferson County, NY

Index to Births, Deaths, Marriages

Jefferson County Clerk - Watertown, NY

LDS Genealogy - Jefferson County Birth Records

LDS Genealogy - Jefferson County Death Records

LDS Genealogy - Jefferson County Marriage Records

NYGenWeb Project - Jefferson County Vital Records

VitalRec.com - Jefferson County, NY Vital Records