Mercer County, New Jersey Genealogy

United States New Jersey  Mercer County

Mercer County, New Jersey genealogy and family history research page. Guide to genealogy, history, and courthouse sources including birth records, marriage records, death records, census records, wills, deeds and land records, Civil War records, Revolutionary War records, family histories, cemeteries, churches, tax records, newspapers, and obituaries.

Parent County
1838, formed from parts of Hunterdon and Middlesex counties and part of Montgomery twp. from Somerset County.

Boundary Changes

 * 1839, more parts from Hunterdon County added.
 * 1844, Hopewell twp. returned to Hunterdon County and then returned in 1845.

For animated maps illustrating New Jersey county boundary changes, visit "Rotating Formation New Jersey County Boundary Maps" (1683-1928) may be viewed for free at the MapofUS.org website.

Record Loss
For a list of record loss in New Jersey counties see: New Jersey Counties with Burned Courthouses

Migration
Early migration routes to and from for settlers included:


 * Delaware River a pre-historic pathway serving as the border between New Jersey and Pennsylvania rises in Schoharie County, New York and flows by the Lehigh Canal in Pennsylvania, Frenchtown, Trenton where river meets tidewater, and past Bordentown in New Jersey, Philadelphia in Pennsylvania to empty into the North Atlantic Ocean.
 * King's Highway 1673 connected Boston, Massachusetts to Charleston, South Carolina and many coastal cities between including Philadelphia, Trenton, and New York City.
 * Delaware and Raritan Canal 1834 connected New Brunswick, New Jersey on the Raritan River (and NY City) to Bordontown, New Jersey on the Delaware River and parts of Pennsylvania including Philadelphia. A boat traffic carrying feeder canal from near Frenchtown also supplied water to the Trenton part of the D&amp;R Canal.

Obtaining Copies of County Probate Records
Copies of recorded probate records and the estate files can be obtained from the surrogate's offices for a fee. Addresses of surrogate's offices are found in:


 * Eichholz, Alice, Editor. Ancestry's Red Book: American State, County, and Town Sources. Revised Edition. Salt Lake City, Utah: Ancestry, 1992. (.) Explains state-by-state history, vital records, census, background sources, periodicals, archives, libraries, societies, maps, land, probate, court, tax, cemetery, church, and military records. Includes county boundary map and table which shows when each county was created and the parent counties.

In addition, copies of the original wills, administrations, inventories, and guardianships sent to Trenton since 1901 can be ordered from:

Clerk of the Superior Court Records Information Center P.O. Box 967 Trenton, NJ 08625-0967 Phone: (609) 292-4978 Fax: (609) 777-0094

Courthouse
Mercer County Courthouse PO Box 8068; Trenton, NJ 08650-0068 Phone: (609) 989-6517 County Surrogate has probate records. County Clerk has court and land records from 1838, judgments, tax maps, and corporation records.

Mercer County, New Jersey Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.

Mercer County, New Jersey Neighboring Counties



 * Burlington
 * Hunterdon
 * Middlesex
 * Monmouth
 * Somerset
 * Bucks, Pennsylvania