Mercer County - New Jersey Genealogy - Ancestry Research & Family History

Archives and Libraries

New Jersey Counties

1761 Brearley House - Lawrence Township, NJ

Drumthwacket - The Official Residence of the Governor of New Jersey - Princeton,, NJ

Genealogical Resources - Mercer County LibraryHopewell Borough - History and Historic Sites

Hamilton Free Public Library

Hopewell Public Library

Howell Living History Farm - Titusville, NJ

Mercer County Library System

Mercer County Library System - Ewing Branch

Mercer County Public Libraries - Hickory Corner Branch

Mercer County Public Libraries - Hightstown Branch

Mercer County Public Libraries - Hollowbrook Branch

Mercer County Public Libraries - Hopewell Branch

Mercer County Public Libraries - Lawrence Branch

Mercer County Public Libraries - Robbinsville Branch

Mercer County Public Libraries - Twin Rivers Branch

Mercer County Public Libraries - Virtual Branch

Mercer County Public Libraries - West Windsor Branch

Meredith Havens Fire Museum - Trenton, NJ

Morven Museum & Garden - Princeton, NJ

New Jersey Resources - Jewish Genealogical Society

New Jersey State Archives - Trenton, NJ

New Jersey State Library - Trenton, NJ

New Jersey State Museum - Trenton, NJ

New Jersey Transportation Heritage Center

Old Barracks Museum - Trenton, NJ

Pennington Public Library

Princeton Public Library

The Trenton City Museum – Trenton, NJ

Trenton Police Museum – Trenton, NJ

Trenton Free Public Library

Trenton Free Public Library - Briggs Branch

Trenton Free Public Library - Cadwalader Branch

Trenton Free Public Library - East Trenton Branch

Trenton Free Public Library - Skelton Branch

USGenWeb Archives - Mercer County, NJ

Washington Twp. Public Library

William Trent House Museum - Trenton, NJ

Biographies

American Local History Network - Life Stories (Bios & Obits)

Genealogy Trails History Group - Mercer County, NJ Biographies

Wikipedia.org - List of people from New Jersey

Cemeteries

Cemetery Records - Mercer County New Jersey

Cemetery Transcription & Photo Project - Mercer County, NJ

Epodunk - Mercer County, NJ Cemeteries

Find a Grave - Mercer County, NJ Cemeteries

The Genealogical Society of New Jersey - Inventory of Mercer County Cemeteries

Interment.net - Mercer County, NJ Cemeteries

LDS Genealogy - Mercer County Cemetery Records

NJGenWeb Project - Mercer County Cemeteries

NJGenWeb Project - Stony Brook Friends Cemetery List

The Political Graveyard - Mercer County, NJ

Princessville Cemetery - Princeton, NJ

Princeton Cemetery - Princeton, NJ

Tombstone Transcription Project - Mercer County, NJ

Census Records

American Local History Network - People Data (Directories & Census)

Genealogy Trails History Group - Mercer County, NJ Census

LDS Genealogy - Mercer County Census Records

Mercer County Census Records - Census Online

Mercer County Federal Census Index - US-Census.org

Mercer County, New Jersey Census Records

NJGenWeb Project - Mercer County U. S. Census

1840 Census of Mercer County, NJ - Ancestry.com

1850 Census of Mercer County, NJ - Ancestry.com

1860 Census of Mercer County, NJ - Ancestry.com

1870 Census of Mercer County, NJ - Ancestry.com

1880 Census of Mercer County, NJ - Ancestry.com

1880 Census of Mercer County, NJ - USGenWeb Census Project

1880 Census of Mercer County, NJ - FamilySearch.org

1900 Census of Mercer County, NJ - Ancestry.com

1910 Census of Mercer County, NJ - Ancestry.com

1920 Census of Mercer County, NJ - Ancestry.com

1920 Census of Mercer County, NJ - USGenWeb Census Project

1930 Census of Mercer County, NJ - Ancestry.com

2020 Census of Mercer county, NJ - Mercer County, NJ Government

Church Records

Genealogy Trails History Group - Mercer County, NJ Church Histories/Records

LDS Genealogy - Mercer County Church Records

New Jersey Churchscape - Mercer County Churches

NJGenWeb Project - Mercer County Bunn Family Bible

NJGenWeb Project - Mercer County Phillips' Family Files

Court Records

LDS Genealogy - Mercer County Court Records

Livingston's Law Register 1851 - Mercer County, NJ

Mercer County, New Jersey Courthouse Records

Mercer County, NJ Surrogate

Directories

American Local History Network - People Data (Directories & Census)

LDS Genealogy - Mercer County City Directories

NJGenWeb Project - 1910 City Directory (Partial): Trenton

NJGenWeb Project - Trenton, New Jersey, City Directories - 1844 to 1920

NJGenWeb Project - Willevers in City Dir : Trenton

History

American Local History Network - Historic Events

American Local History Network - Historic Sites

Beginnings of Mercer County - Living Places

Genealogy Trails History Group - Mercer County, NJ History

Genealogical and Personal Memorial of Mercer County, New Jersey 1907

The Historic County of Mercer - Mercer County Government

The Historical Marker Database - Mercer County, NJ

History of Princeton and Its Institutions

LDS Genealogy - Mercer County Histories and Genealogies

National Register of Historic Places - Mercer County, NJ

NJGenWeb Project - Books About New Jersey Currently Available

NJGenWeb Project - A History of Trenton 1679 - 1929

NJGenWeb Project - Mercer County, NJ, Genealogy & History Webring

NJGenWeb Project - Mercer County Migrations

Wikipedia.org - Mercer County, NJ

Wikipedia.org - National Register of Historic Places listings in Mercer County, New Jersey

Immigration Records

LDS Genealogy - Mercer County Immigration Records

Land Records

BLM Land Records

LDS Genealogy - Mercer County Land Records

Mercer County, NJ Clerk

Map Records

Historic Map Works - Mercer County, New Jersey

LDS Genealogy - Mercer County Map Records

NJGenWeb Project - Mercer County Maps and Place Names

Wikipedia.org - Mercer County, NJ Geography

Military Records

The Battle of Princeton - Princeton Alumni Weekly

Genealogy Trails History Group - Mercer County, NJ Military

LDS Genealogy - Mercer County Military Records

Military Records - Mercer County New Jersey

National Archives - WWII Army Casualties: Mercer County, New Jersey

National Archives - WWII Army Casualties: Mercer County, New Jersey (cont'd)

National Archives - WWII Army Casualties: Mercer County, New Jersey (cont'd)

Revolutionary War New Jersey - The Ultimate Field Guide

The Two Battles of Trenton - Trenton Historical Society

World War II Casualties Army and Air Force - Mercer County, NJ

Miscellaneous Records

FamilySearch Wiki - Mercer County, New Jersey

Genealogical Repositories in the New York Metropolitan Area

Genealogical Resources in the New York Metropolitan Area

LDS Genealogy - Mercer County Miscellaneous Records

Mercer County, NJ Culture and Heritage

Mercer County, NJ Government

Mercer County, New Jersey External Links

Mercer County, New Jersey Resources

NJGenWeb Project - An Inventory of the Trenton Friends Association Records, 1892-1908

NJGenWeb Project - Mercer County Mailing List

NJGenWeb Project - Mercer County Queries

NJGenWeb Project - Mercer County Surname List

Municipalities

American Local History Network - Mercer Municipalities

LDS Genealogy - Mercer County Records by City/Town

Wikipedia.org - Mercer County, NJ Municipalities

Newspapers

Genealogy Trails History Group - Mercer County, NJ Newspaper Data

LDS Genealogy - Mercer County Newspapers and Obituaries

Mercer County - New Jersey Digitized Historic Newspapers

Mercer County, NJ News

Newspaper Articles - Mercer County New Jersey

NJGenWeb Project - Subscriber List: German-Hungarian Magazine: 1936 and 1942

Trenton Historical Society - Chronological Indexes

Obituaries

American Local History Network - Life Stories (Bios & Obits)

Genealogy Trails History Group - Mercer County, NJ Obituaries

LDS Genealogy - Mercer County Newspapers and Obituaries

The Lawrence Ledger - Obituaries

Mercer County - Miscellaneous Obituaries

Necrological Reports and Annual Proceedings of the Alumni Association of Princeton Theological Seminary

NJ.com - Obituaries

NJGenWeb Project - Dr. PAXTON, William 1904

NJGenWeb Project - Rev. Dr. Joseph ALEXANDER

NJGenWeb Project - Selected Obituaries from the Trenton Evening Times (1885 - 1953)

NJGenWeb Project - Trenton, New Jersey, Obituaries

Obituaries - Mercer County New Jersey

Obituary Index - Mercer County, NJ

The Times - Obituaries

Trenton Historical Society - Trenton Obituaries

Trenton Obituaries - Trenton Historical Society

The Trentonian - Obituaries

Photography

National Archives - Mercer County, New Jersey

New Jersey Old Photos - FamilyOldPhotos.com

Mercer County, NJ Photo Gallery

NJGenWeb Project - Vintage Postcards of Mercer County, New Jersey

Probate Records

Genealogy Trails History Group - Mercer County, NJ Wills/Probate Records

LDS Genealogy - Mercer County Probate Records

NJGenWeb Project - BAINBRIDGE, Claricy 1848

NJGenWeb Project - Claricy Bainbridge, 1848

NJGenWeb Project - Benjamin Pidcock, 1840

NJGenWeb Project - Elinor Pidcock, 1855

NJGenWeb Project - PIDCOCK, William 1855

NJGenWeb Project - ROMMEL, Joseph 1885

NJGenWeb Project - SMITH, Thomas 1898

NJGenWeb Project - STACEY, Mahlon, 1704: Balifield, Nottingham Twp

Wills - Mercer County New Jersey

School Records

LDS Genealogy - Mercer County School Records

Mercer County, NJ Community College

Mercer County, NJ Superintendent of Schools

Mercer County, NJ Technical Schools

NJGenWeb Project - Names from the Trenton High School Yearbooks

Societies

Central Jersey Genealogical Club - Hamilton, NJ

Ewing Township Historic Preservation Society - Ewing Township, NJ

Genealogy and Local History Office

Genealogical Society of New Jersey - Trenton, NJ

General Mercer Chapter - National Society Daughters of the American Revolution

Hightstown-East Windsor Historical Society

Historic Preservation in Princeton Borough - Princeton Borough, NJ

Historical Society of Princeton

The Historical Society of West Windsor

The Hopewell Valley Historical Society

Institute for Advanced Study Libraries

The Lawrence Historical Society - Lawrenceville, NJ

Mercer County Cultural and Heritage Commission

New Jersey Historical Society - Newark, NJ

Princeton Chapter - National Society Daughters of the American Revolution

Trenton Historical Society - Trenton, NJ

Tax Records

Mercer County, NJ Taxation

Vital Records

Birth, Marriage, and Death Records - New Jersey Department of Health

Birth, Marriage, and Death Certificates - VitalRec.com

Birth Records - Mercer County New Jersey

Death Records - Mercer County New Jersey

GEDCOM Index - Mercer County, New Jersey

LDS Genealogy - Mercer County Birth Records

LDS Genealogy - Mercer County Death Records

LDS Genealogy - Mercer County Marriage Records

Marriage Records - Mercer County New Jersey

Mercer County, New Jersey Vital Records

NJGenWeb Project - Kelly, Caroline Cecelia April 16, 1943

New Jersey County Records

Many New Jersey family records can be found online and at various archives and libraries located throughout the state of New Jersey . Many millions of records aren't yet available online, though, and many of these are awaiting your discovery at the local level at county courthouses, historical societies, churches, town clerks' offices, cemeteries, and elsewhere in New Jersey. To find these and other records, click on the links below to find more information about the specific counties where your ancestors lived in New Jersey. You'll find information on these pages that will lead you to the specific documentation you're searching for.

It is important to keep in mind when doing research that the names and boundaries of certain counties in New Jersey have changed over the past few hundred years. Your ancestors may have lived on a certain farm in one county and when borders were redrawn records relating to your family history might have been located in another area entirely. When searching for land, court, tax, and other records it is also a good idea to search for these records in adjacent counties. Following is a complete list of New Jersey's 21 counties along with their formation dates, county seats, and names of parent counties.

Formation Date

1837

1675

1681

1844

1685

1748

1675

1686

1840

1714

1838

1675

1675

1739

1850

1837

1681

1688

1753

1857

1824

County Seat

Mays Landing

Hackensack

Mount Holly Township

Camden

Cape May Courthouse

Bridgeton

Newark

Woodbury

Jersey City

Flemington

Trenton

New Brunswick

Freehold Borough

Morristown

Toms River

Paterson

Salem

Somerville

Newton

Elizabeth

Belvidere

Parent County

Gloucester County

Original county

Original county

Gloucester County

Burlington County

Salem County

Original county

Burlington County

Bergen County

Burlington County

Various counties

Original county

Original county

Hunterdon County

Monmouth County

Bergen & Essex Counties

Original county

Middlesex County

Morris County

Essex County

Sussex County