Middlesex County, New Jersey Genealogy

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

Parent County

 * 1675, original part of East Jersey
 * 1 March 1683, created as a county from the Colonial lands.

Boundary Changes

 * 26 May 1688, part taken for Somerset County.
 * 1710, some boundary changes
 * 1714, part of Somerset County taken back
 * 1790, some boundary changes with Somerset County
 * 1822, water boundary established
 * 22 February 1838, West Windsor and part of East Windsor twps. to Mercer County.
 * 1844, part of Monroe twp. to Monmouth County
 * 1844, part of Monroe twp. to Monmouth County and returned in 1845
 * 1847, piece of Monroe twp. to Monmouth County
 * 1850, part of Franklin twp. of Somerset County to North Brunswick twp.; water boundary clarified
 * 1855, some changes to boundary with Somerset County and again in 1858
 * 1860, part of Woodbridge twp. to Rahway, Union County
 * 1871, boundary with Plainfield, Union County changed
 * 1878, boundary at Kingston, Somerset County clarified
 * 1892, water boundary further clarified
 * 1939, land to Matawan, Monmouth County.

Neighboring Counties
Mercer | Monmouth | Somerset | Union | Richmond (Staten Island) county, New York

Church
LDS Ward and Branch Records


 * New Brunswick

Web Sites

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