Listed record inventories
Selected holdings and indexes for Union County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.
Marriages, births and deaths
County government
- Clerk's Office · Incorporations of Religious and Non - Profit Organizations, 1857 - 1904 · CUNCL0031857 - 1904
- Clerk's Office · Miscellaneous Filings, ca. 1857 - 1972 · CUNCL0071857 - 1972
- Clerk's Office · Road Returns, 1882 - 1902 · CUNCL0091882 - 1902
- Clerk's Office · Road Applications and Agreements, ca. 1860s - 1920s · CUNCL0101860 - 1920
- Clerk's Office · Index to Miscellaneous Records, 1857 - 1940 · CUNCL0111857 - 1940
- Clerk's Office · Lis Pendens, 1860 - 1904 and Indexes, 1860 - 1972 · CUNCL0131860 - 1972
- Clerk's Office · Public Officials' Oaths, Appointments, Bonds, and Resignations, ac. 1850 - 1920 · CUNCL0151850 - 1920
- Clerk's Office · Medical Certificates, 1857 - 1921 · CUNCL0161857 - 1921
- Clerk's Office · Warrants, 1871 - 1897 · CUNCL0181871 - 1897
- Clerk's Office · Police Complaints, 1834 - 1908 · CUNCL0231834 - 1908
- Clerk's Office · Partnership Bonds, 1858 - 1915 · CUNCL0241858 - 1915
- Clerk's Office · Appeals, 1857 - 1910 · CUNCL0281857 - 1910
- Clerk's Office · Justice of the Peace Records, 1878-1953 · CUNCL0301878 - 1953
Court records
- Clerk's Office · Chancery Court Case Papers, 1873 - 1912 · CUNCL0041873 - 1912
- Clerk's Office · Supreme Court Case Papers, 1860 - 1933 · CUNCL0121860 - 1933
- Clerk's Office · Circuit Court Papers relating to Sewersca. 1909 - 1914 · CUNCL0171909 - 1914
- Clerk's Office · Miscellaneous Court Records, 1819 - 1925 · CUNCL0191819 - 1925
- Clerk's Office · Jail Lists, 1860 - 1895 · CUNCL0251860 - 1895
- Clerk's Office · Commitments to County Jail, 1894 - 1904 · CUNCL0261894 - 1904
- Clerk's Office · Union County Court Records, 1857-1870 · CUNCL0291857 - 1870
- Court of Common Pleas · Loose Papers, 1855 - 1925 · CUNCP0021855 - 1925
- Court of Common Pleas · Court of Quarter Sessions · Licenses, 1844 - 1919 · CUNCP0041844 - 1919
- Coroner's Office · Inquests, 1857 - 1914 · CUNCR0011857 - 1914
- Court of General Quarter Sessions · Loose Papers, 1899 - 1919 · CUNQU0011889 - 1919
Military records
Deeds and land
- Clerk's Office · Releases of Mortgages and Judgments, 1880 - 1901 and Indexes, 1880 - 1972 · CUNCL0081880 - 1972
- Clerk's Office · Mortgages, 1857 - 1870 and Indexes, 1857 - 1914 · CUNCL0201857 - 1914
- Clerk's Office · Assignments of Mortgages, 1857 - 1900 and Indexes, 1857 - 1972 · CUNCL0211857 - 1972
- Clerk's Office · Discharged Mortgages, 1869 - 1902 · CUNCL0221869 - 1902
- Clerk's Office · Record of Condemnations of Land, 1863 - 1917 · CUNCL0271863 - 1917
- Register of Deeds · Deeds, 1857 - 1875 and Indexes, 1857 - 1909 · CUNRD0011857 - 1909
Naturalization records
Wills and estates
- Surrogate's Office · Administration Bonds, 1879 - 1901 · CUNSU0011879 - 1901
- Surrogate's Office · Assignees, 1884 - 1910 · CUNSU0021884 - 1910
- Surrogate's Office · Special Bonds, 1896 - 1931 · CUNSU0031896 - 1931
- Surrogate's Office · Applications for Administration, 1878 - 1902 · CUNSU0041878 - 1902
- Surrogate's Office · Record of Administrations and Guardianships, 1857 - 1894 · CUNSU0051857 - 1894
- Surrogate's Office · Administration and Guardian Bonds, 1861 - 1878 · CUNSU0061861 - 1878
- Surrogate's Office · Record of Guardianships, 1894 - 1925 · CUNSU0071894 - 1925
- Surrogate's Office · Guardian Bonds, 1879 - 1909 · CUNSU0081879 - 1909
- Surrogate's Office · Orphans Court Records, 1857 - 1902 · CUNSU0091857 - 1902
- Surrogate's Office · Releases, 1858 - 1915 · CUNSU0101858 - 1915
- Surrogate's Office · Renunciations, 1871 - 1903 · CUNSU0111871 - 1903
- Surrogate's Office · Surrogate's Dockets, 1854 - 1900 and Indexes, 1857 - 1949 · CUNSU0121854 - 1949
- Surrogate's Office · Orders, 1890 · CUNSU0131890
- Surrogate's Office · Unrecorded Estate Papers [Loose], 1857 - 1900 · CUNSU0141857 - 1900
- Surrogate's Office · Will Books, 1854 - 1911 · CUNSU0151854 - 1911
- Surrogate's Office · Applications for Probate of Wills, 1878 - 1901 · CUNSU0161878 - 1901
- Surrogate's Office · Adoptions, 1885 - 1918 · CUNSU0171885 - 1918
See the repository's descriptions and search options
Repository access note: Selected county-created series from the New Jersey State Archives current searchable catalog. Dates, series identifiers and creating offices are retained. Statewide records appearing in county searches were excluded. A catalog entry may describe paper or microfilm held on site; consult its format, restrictions and detailed contents before requesting access.
Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.
Where to find the records
- Find Union County's official website
We haven't checked this county's website yet, so this opens a web search. Look for an address ending in .gov, then find the county clerk and the surrogate.
- The county clerk
Deeds, mortgages and other land records, and naturalizations.
- The surrogate
Wills and estates.
- The New Jersey State Archives
In Trenton: state birth, marriage and death records from 1848, and the original wills and estate papers proved before 1901.
- New Jersey State Archivesfree
The state archives in Trenton, with state vital records from 1848, colonial and state wills, court records and state censuses.
- FamilySearch Catalogfree
Search by place for "New Jersey, Union" to find filmed and digitized records, many viewable free online with a FamilySearch account.
Offices change their hours and access rules; call before you visit.
Boundaries and parent counties
Formed from: Essex County
Check the parent county for earlier records: Essex County
Records stay with the county that created them. If your ancestor lived here before 1857, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.
Research tip
New Jersey began statewide registration in 1848, earlier than most states. The State Archives holds those records for the early years and also the wills proved before 1901.