Somerset County, New Jersey Genealogy

United States &gt; New Jersey &gt; Somerset County

Parent County

 * 26 May 1688, created from Middlesex County.

Boundary Changes

 * 1710, boundaries changed.
 * 1714, part back to Middlesex County.
 * 13 March 1714, part set off to be Hunterdon County.
 * 1741, part from Essex County.
 * 1749, boundary with Morris County defined.
 * 1790, boundary changes with Middlesex County and again in 1855, 1858 and 1878.
 * 22 February 1838 1838, part of Montgomery twp set off to form Mercer County.
 * 1844, Tewksbury twp. from Hunterdon County and restored in 1845.
 * 1850, part of Fanklin twp. added to to North Brunswick twp., Middlesex County.
 * 1876, Union County boundary clarified.
 * 1965, Hunterdon County boundary clarified.

Neighboring Counties
Hunterdon | Mercer | Middlesex | Morris | Union

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
 * Telephone: 609-292-4978
 * Fax: 609-777-0094
 * Internet: http://www.answers.com/topic/new-jersey-superior-court

Web Sites

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