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Mercer County
New Jersey
Genealogy and History


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County Seat:
The county seat is Trenton
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Since 2000, Mercer County has been considered part of the New York metropolitan area; before that time it had been considered part of the Philadelphia metropolitan area.

The county is named for Continental Army General Hugh Mercer, who died at the Battle of Princeton in 1777.
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Surrounding Counties:
Somerset County, New Jersey - north
Middlesex County, New Jersey - northeast
Monmouth County, New Jersey - east
Burlington County, New Jersey - south
Bucks County, Pennsylvania - west
Hunterdon County, New Jersey - northwest

Our
New Jersey State Site
Visit our NJ State Site
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Officially founded in 1838 and carved out of other surrounding counties, Mercer County has a historical impact that reaches back to the pivotal battles of the American Revolutionary War. On the night of December 25, 1776, General George Washington led the American forces across the Delaware River to attack Hessian forces in Trenton, New Jersey, who did not anticipate an attack near Christmas. Washington followed up the assault with a surprise attack on General Charles Cornwallis' forces in the Battle of Princeton on the eve of January 2, 1777, eventually retaking the colony. The successful attacks built morale among the pro-independence colonists.

Mercer County also has the dubious distinction of being the famed landing spot for a Martian invasion of the United States. In 1938, in what has become one of the most famous radio plays of all time, Orson Welles acted out his War of the Worlds invasion. Wells landed his imaginary aliens on Mercer County soil, using what is now West Windsor Township as the point of first contact. A monument commemorating the "landing" is erected at Grover's Mill

Municipalities within Mercer County

County Townships
East Windsor Township
Ewing Township
Hamilton Township
Hopewell Township
Lawrence Township
Princeton Township
Washington Township
West Windsor Township

Hightstown (borough)
Hopewell Borough
Lawrenceville
Mercerville-Hamilton Square
Pennington (borough)
Princeton Borough
Princeton Junction
Princeton North
Robbinsville
Titusville
Trenton (city)
Twin Rivers
White Horse
Windsor
Yardville-Groveville

 

Online Data

Biographies

Births

Cemeteries

Census

Church Histories/Records

County Records

Court Records

Deaths

Family Bibles

History

Marriages

Military

Newspaper Data

Obituaries

Surnames

Wills/Probate Records 

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All data on this website is Copyright by Genealogy Trails with full rights reserved for original submitters.


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Recent Website Updates:

March 2014: Military: 1883 Pensioners List - Transcribed by Mary Saggio
August 2013: Obit: WILLIAM ALFRED PACKARD - Transcribed by Kim Mohler
May 2013: Bio: BOND Charles E, - Transcribed by Rhonda Hill
Nov-Dec 2012:
Mr. and Mrs. George Richardson, Jr- Birth Announcement; 1892 Advertizers in the Hopewell Herald

Obits: Stanford R. Birch, Mrs. Wm. A. Gillam, John Conover, Annie (Parker) Gillam, George Stryker ; News: (Sicklist) Charles A. Quick Has Accident, (Community) Unclaimed Letters, 1892 Miscellaneous News, (Crime) Charles Tubman Robs Hotel at Coney Island, Pleas of Prisoners (Oct 1892); Obit: Rev. J. H. Pierce; The Baptist Meeting House, Hopewell, Mercer County, NJ

Oct 2012:
Bio - MURRAY, James Ormsbee - Transcribed by Richard Ramos