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Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, the state capital. It is officially part of both the New York metropolitan area and Delaware Valley, due to it being close to New York City and Philadelphia, as well as the Trenton-Ewing Metropolitan Statistical Area. The county is named for Continental Army General Hugh Mercer, who died at the Battle of Princeton in 1777. The Mercer Oak, against which the dying general rested as his men continued to fight, appears on the county seal.

Mercer County was created on 22 February 1838 and was formed from Trenton, Ewing, Hopewell and Lawrence Twps. from Hunterdon; Nottingham (Hamilton) Twp. from Burlington; East & West Windsor from Middlesex; and part of Montgomery Twp. (now Princeton) from Somerset 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.

     Counties adjacent to Mercer County are Somerset County (north), Middlesex County (northeast), Monmouth County (east), Burlington County (south), Bucks County, Pennsylvania (west), Hunterdon County (northwest).



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·        All Departments below are in the Mercer County Courthouse, 209 South Broad Street, Trenton, NJ 08650-0068; (609) 571-4000, unless otherwise noted below. The Official County website is located at

·        Mercer County Clerk has Land Records & Marriage Records from 1838 and is located at the address above. Phone Number: (609) 989-6464

·        Mercer County Surrogate Court / Orphan's Court has Probate Records from 1838 and is located at the courthouse. Phone Number: (609) 989-6331



·        The New Jersey Historical Society, 52 Park Pl., Newark, NJ 07102; 973-596-8500 ext 248 or 249

·        Descendants of Founders of New Jersey, 10 Buckingham Ave, Trenton, NJ 08618 Evelyn Ogden, Registrar ; [EMAIL] (732) 920-3279

·       Genealogical Society of New Jersey, PO Box 1476, Trenton NJ 08607-1476  

·       List of Historical Societies in Mercer county, New Jersey



·         Department of State Division of Archives and Records Management - Bureau of Archives and Records Preservation State Library Bldg, 185 West State Street, CN-307, Trenton, NJ 08625-0307

·          Department of Special Collections and Archives, Rutgers University Library, New Brunswick, NJ 08903 

·          New Jersey State Library, State Library Building, 185 West State Street, CN-520, Trenton, NJ 08625-0520

·         List of Libraries, Museums and Archives in Mercer county, New Jersey



Your LINK to the Historical Places and Districts in MERCER County

U.S. National Register of Historic Places

National Park Service

National Historic Landmarks

National Battlefields

National Historic Sites

National Historical Parks

National Memorials

National Monuments




The following are names of persons, found within our databases,

as having been either born, married or died in this location.

To find out more about each surname listed above click on the corresponding LINK.

McVicker; Moreland; Pinnell; Scruggs and allied families

Caine;   Moreland

Bozarth; Peiffer; Quigley; Rhubart and allied families


Dellinger; Knecht; Pfeffer; Silar and allied families


Additional information regarding these and other surnames may also be found at:

Surname Locator Resources

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ancestral gen-sites




Hightstown,   Princeton


LOCATION:  Country: United States;   State: New Jersey;   County: Mercer;  

Place: Hightstown; Coordinates/Map: 40.267778, -74.525278

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DESCRIPTION:   171 South Street,  and Cedar Hills Cemetery

ANCESTORS ASSOCIATED WITH THIS GEN-SITE:  From about 1961 to his death in 1971 Jerre’ F. Moreland lived at 171 South Street, the home of his second wife, Lillian Caine who passed away in 1976.  This house was also the home of Lillian’s parent’s Edward and Belle Caine.  All of the aforementioned persons were buried at Cedar Hill Cemetery.

INTERNET WEB LINK(s):  Hightstown, New Jersey - Wikipedia; Horizon Information Portal


LOCATION:  Country: United States;   State: New Jersey;   County: Mercer;  

 Place: Princeton; Coordinates/Map: 40.352206, -74.657071

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DESCRIPTION:  Tenacre Foundation, 930 & 953 Great Road, Princeton, NJ 08540

ANCESTORS ASSOCIATED WITH THIS GEN-SITE:   Florence Elizabeth Pfeffer lived here during the last year of her life.  She passed away at this location on 14 June 1980.

INTERNET WEB LINK(s): Tenacre - A Ministry of Christian Scientists


LOCATION:  Country: United States;   State: New Jersey;   County: Mercer;  

Place:  ; Coordinates/Map:





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populated places

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Map of

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Gazetteer of Places in This County

Link to State-Wide Resources

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The Red Star in the map designates the location of the seat of government for this county.  Yellow Stars designates county seats in adjacent counties.   A Purple Dot shows the location of identified ancestral Gen-Site(s).

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The list below will assist in your research regarding the matching of your ancestor’s birth, marriage, death dates and the place(s) within this locality at which these events may have occurred.


Profiles for 101 Populated Places in Mercer County, New Jersey

Map of Mercer County New Jersey

Mercer County Physical, Cultural & Historic Features

Mercer County ZIP Codes | Area Codes

Mercer County Land - Property, Farms & Ranches


The following municipalities are located in Mercer County. The municipality type is listed in parentheses after the name, except where the type is included as part of the name. Census-designated places and other unincorporated areas are listed under their municipalities.

·        Hopewell Township

Index map of Mercer County municipalities (click to see index)


                    Princeton North

(known as Washington

Township until November 2007)

State-Wide Resources

For more information about the U.S. State in which this county is located  click  on  these  LINKS:

Where in the world

Where in the World

are My Ancestors?

Resources which enhance our knowledge of the places inhabited by our ancestors are almost as important as their names. The LINK



to the right will take you to Maps, Gazetteers,   and other helpful  resources  that will assist you in discovering Ancestral Locations. 

resources Website


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·         Our Genealogy Reference Library (USA Locations)

·         Genealogy Forum: U.S. States

·         Family Search, IGI Batches, Localities

· Resources by county

· - Localities

·         Cyndi's List - General U.S. Sites

·         Family History 101 – Camden County


·         Mercer County (Family History

·         Mercer County NJGenWeb

·         Mercer County, NJ Genealogy Forum

·         Mercer County, NJ at Rootsweb

·         Cyndi's List - U.S. – New Jersey - Localities

·         Linkpendium > Genealogy> Mercer County




The following Link will take you to our library of genealogy reference books.   Here you may find books about the history and records of this county and other places such as towns and churches.  The collection also contains research works about military units and personnel during America’s wars, in addition too resource texts about the ethnic and religious groups who may have settled in this locality.


U.S.A. Locations Library - States, Counties, & Localities


Image Gallery

During our research we have collected images and photographs that are of general interest to a variety of localities.  Some of them are presented on this website because we believe they tend to provide the reader with additional information which may aid in the understanding of our ancestors past lives.

Mercer County Waterfront Park

Trenton, New Jersey



If you have any photographs or other images relating to this ancestral

location, we would greatly appreciate hearing from you.


Use the following LINK to ascertain whether we have any images that pertain to this location.



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Contact Information 

Contact information


Snail mail:

889 Dante Ct.
Mantua, NJ 08051



Pony Express:

27 Christopher Dr.
Burton, NB E2V3H4