Union County, New Jersey Genealogy

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Guide to Union County, New Jersey ancestry, genealogy and family history, birth records, marriage records, death records, census records, and military records.

County Facts
County seat: Elizabeth
Organized: 19 Mar 1857
Parent County(s): Essex
Neighboring Counties
Essex Hudson Middlesex Morris Richmond (NY) Somerset
See County Maps
Courthouse
New Jersey, Union County Courthouse.png
Location Map
Nj-union.png

County Information

Description

Union County was created 19 Mar 1857[1] and was named after the Union threatened by slavery dispute during this period, which would erupt into civil war in 1861. Its county seat is Elizabeth. It is located in the northeastern area of the state.[2]

County Courthouse

Union County Courthouse
2 Broad Street
Elizabeth, NJ 07207-2204
Phone: 908-787-1650
Union County Courthouse

County Clerk has land records from 1857 and military discharge records from 1941.
Clerk Superior Court has divorce records from 1848 and court records.
County Surrogate has probate records from 1857.
Town Clerks have birth and death records. [3]

Union County, New Jersey Record Dates

Known Beginning Dates for Government County Records[4]
Birth* Marriage Death* Court Land Probate Census
1901 1857 1901 1857 1857 1857 1830
*Statewide registration for births and deaths started 1 May 1848. General compliance by 1920.

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

Populated Places

For a complete list of populated places, including small neighborhoods and suburbs, visit HomeTown Locator. The following are the most historically and genealogically relevant populated places in this county:[7]

Cities
Boroughs
Towns
Unincorporated communities
Townships


History Timeline

Resources

Bible Records

Biographies

Business, Commerce, and Occupations

Cemeteries

Cemeteries of Union County, New Jersey online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See New Jersey Cemeteries for more information.

 

Census Records

For tips on accessing census records online, see: New Jersey Census.

Historical populations
Census Pop.
1860 27,780
1870 41,859 50.7%
1880 55,571 32.8%
1890 72,467 30.4%
1900 99,353 37.1%
1910 140,197 41.1%
1920 200,157 42.8%
1930 305,209 52.5%
1940 328,344 7.6%
1950 398,138 21.3%
1960 504,255 26.7%
1970 543,116 7.7%
1980 504,094 −7.2%
1990 493,819 −2.0%
2000 522,541 5.8%
2010 536,499 2.7%
Source: "Wikipedia.org".

Church Records

Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about denominations, view the New Jersey Church Records wiki page.

List of Churches and Church Parishes

Court Records

Directories

Emigration and Immigration

Ethnic, Political, and Religious Groups

Funeral Homes

Genealogies

Guardianship

Land and Property Records

Land and property records can place an ancestor in a specific location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See New Jersey Land and Property for information about New Jersey Proprietary land records. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse.

Online Land Indexes and Records

Local Histories

Your relatives may be included in biographies, in church, school and government history, or in military events and lists. For more information, see New Jersey History and scroll to Local Histories.

Maps and Gazetteers

Essex CountyMorris CountyHudson CountyMiddlesex CountySomerset CountyStaten Island Borough (previously Richmond County)NJ UNION.PNG
Click a neighboring county
for more resources

Migration

Military Records

Civil War
Regiments. Civil War service men from Union County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Union County.

- 83rd Regiment, New York Infantry, Company K

Naturalization and Citizenship

Online Naturalization Indexes and Records

Newspapers

Obituaries

Other Records

Periodicals

Probate Records

From 1797 or the creation of the county, probate records were held by the Court of Common Pleas and may have earlier records. In 1852, most of those records were transferred to the Union County Probate Court. For more complete information and for online and other resources, see New Jersey Probate Records.

Online Probate Indexes and Records

School Records

Social Security Records

Tax Records

New Jersey tax records complement land records and can be used in place of censuses before 1820 or to supplement the years between censuses. Because only persons who owned taxable property were listed, many residents were not included in tax lists. There may also be gaps of several years in the tax records of some counties. For more information see the wiki page New Jersey Taxation.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. United States Vital Records has additional research guidance on researching and using vital records. A copy or an extract of most original records can be purchased from the New Jersey Vital Records State Department of Health or the County Clerk's office of the county where the event occurred. Original marriage records are usually held at the county Bureau of Vital Statistics.

Birth

Marriage

Death

Divorce

Research Facilities

Archives

FamilySearch Centers

FamilySearch Center and Affiliate Library Locator map - search for local FamilySearch Centers or Affiliate Libraries

  • FamilySearch Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a FamilySearch center.

Local Centers and Affiliate Libraries

Libraries

Plainfield Public Library
800 Park Avenue
Plainfield, NJ 07060
Telephone: 908-757-1111
The Local History, Genealogy & Special Collections Department offers newspapers, city directories, local histories, church records, biographies, and more.Website

Museums

Societies

Union County Historical Society
116 E. Fourth Ave.
Roselle, NJ 07203
Telephone: 908-245-9010
Website
Cranford Historical Society
38 Springfield Avenue
Cranford, NJ 07016
Telephone: 908-276-0082
Email:info@unioncountyhistoricalsocietynj.org
Website

Hillside Historical Society
111 Conant St
Hillside, NJ 07205
Telephone: 908-353-8828
Website
New Providence Historical Society
1350 Springfield Ave.
New Providence 07974


Plainfield, Historical Society
602 West Front Street
Plainfield NJ
Website
Rahway Historical Society
1632 St. Georges Ave.
Rahway
Website
Springfield Historical Society
126 Morris Ave
Springfield, NJ.
Telephone: 973-912-4464
Facebook
Summit Historical Society
90 Butler Parkway
Summit, NJ 07901
Telephone: 908-277-1747


Westfield, Genealogical Society Of
550 East Broad Street
Westfield
Website

Websites

  • FamilySearch Catalog – The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection.  Use Historical Records to search for specific individuals in genealogical records.

Research Guides

References

  1. New Jersey: Individual Chronologies, New Jersey Atlas of Historical County Boundaries, https://digital.newberry.org/ahcb/documents/NJ_Individual_County_Chronologies.htm
  2. Wikipedia contributors, "Union County, New Jersey," Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Union_County%2C_New_Jersey (accessed July 7, 2024).
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Union County, New Jersey page 465, At various libraries (WorldCat); FS Library Book 973 D27e 2002.
  4. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Union County, New Jersey . Page 464-465 At various libraries (WorldCat); FS Library Book 973 D27e 2002; Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 460.
  5. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), 181. [FS Library book 973 D27e 2002].
  6. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002).At various libraries (WorldCat); FS Library Book 973 D27e 2002.
  7. Wikipedia contributors, "Union County, New Jersey," in Wikipedia: the Free Encyclopedia,https://en.wikipedia.org/wiki/Union_County,_New_Jersey#Communities, accessed 20 March 2020.