Listed record inventories
Selected holdings and indexes for Middlesex County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.
Military records
Other records
Deeds and land
- Clerk's Office · Deeds, 1784 - 1901 and Indexes, 1784 - 1922 · CMICL0011784 - 1922
- Clerk's Office · Mortgages, 1766 - 1861 and Indexes, 1766 - 1922 · CMICL0021766 - 1922
- Clerk's Office · Ancient Deeds, 1877 - 1942 · CMICL0031877 - 1942
- Surrogate's Office · Divisions and Partitions of Land, 1780 - 1840 · CMISU0061780 - 1840
- Surrogate's Office · Sale of Real Estate Bonds and Miscellaneous Bonds, 1861 - 1902 · CMISU0101862 - 1902
Court records
- Clerk's Office · Commitments and Jail Accounts, 1818 - 1887 · CMICL0041818 - 1887
- Clerk's Office · Sheriff's Bonds, 1807 - 1929 · CMICL0131807 - 1929
- Clerk's Office · Prohibition Enforcement Act Docket and Record of Court Fines, ca. 1916-1937 · CMICL0151916 - 1937
- Court of Common Pleas · Petitions for Peddler's Licenses and Request for Brief to Ask for Charity, 1733 - 1814 · CMICP0011733 - 1814
- Court of Common Pleas · Court of General Quarter Sessions · Case Files, 1741 - 1888 · CMICP0021741 - 1888
- Court of Common Pleas · Tavern Licenses, 1758 - 1826 · CMICP0031758 - 1826
- Court of Common Pleas · Judgments, 1799 - 1825 · CMICP0041799 - 1825
- Court of Common Pleas · Minutes of Court of Common Pleas and Court of General Quarter Sessions, 1683-July 1771; 1783-1871 · CMICP0061683 - 1871
- Court of Common Pleas · Court of Oyer and Terminer · Allegations and Indictments, 1884-1949 · CMICP0071884 - 1949
- Coroner's Office · Inquests, 1849 - 1873 · CMICR0011849 - 1873
- Court of General Quarter Sessions of the Peace · Petitions for Shopkeepers' Licenses, 1781 · CMIQU0011781
County government
- Clerk's Office · Record of Releases, 1849 - 1902 · CMICL0051849 - 1902
- Clerk's Office · Road Books, 1773 - 1930 · CMICL0061773 - 1930
- Clerk's Office · Civil War Records, ca. 1861 - 1865 · CMICL0081861 - 1865
- Clerk's Office · Manumissions of Slaves, 1800 - 1825 · CMICL0091800 - 1825
- Clerk's Office · Early Records, 1714 - 1776 · CMICL0111714 - 1776
- Clerk's Office · Official Oaths, 1779 - 1948 · CMICL0121779 - 1948
Marriages, births and deaths
Naturalization records
Wills and estates
- Surrogate's Office · Letters of Administration, 1804 - 1903 · CMISU0011804 - 1903
- Surrogate's Office · Administration Bonds, 1862 - 1902 · CMISU0021862 - 1902
- Surrogate's Office · Applications for Administration, 1879 - 1900 · CMISU0031879 - 1900
- Surrogate's Office · Applications for Probate of Wills, 1879 - 1903 · CMISU0041879 - 1903
- Surrogate's Office · Records of Assignees, 1875 - 1930 · CMISU0051875 - 1930
- Surrogate's Office · Index to Estates, 1804 - 1971 · CMISU0071804 - 1971
- Surrogate's Office · Orphans Court Minutes, 1786 - 1900 and Indexes, 1803 - 1929 · CMISU0081786 - 1929
- Surrogate's Office · Indexes to Proceedings, 1804 - 1971 · CMISU0091804 - 1971
- Surrogate's Office · Probate Records, 1864 - 1870 · CMISU0111864 - 1870
- Surrogate's Office · Releases and Discharges, 1827 - 1901 · CMISU0121827 - 1901
- Surrogate's Office · Renunciations and Caveats, 1882 - 1901 · CMISU0131882 - 1901
- Surrogate's Office · Unrecorded Estate Papers [Loose], 1783 - 1900 · CMISU0141783 - 1900
- Surrogate's Office · Will Books, 1804 - 1913 and Indexes, 1804 - 1930 · CMISU0151804 - 1930
- Surrogate's Office · Index to Minors' Estates, 1941 - 1955 · CMISU0161941 - 1955
- Surrogate's Office · Miscellaneous Bonds, 1862 - 1930 · CMISU0171862 - 1930
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
- Middlesex County official website
Hours, addresses and phone numbers for the county clerk and the surrogate, and any online record search the county offers.
- 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, Middlesex" 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: Land not yet in any county
Later formed partly from Middlesex County: Mercer County, Somerset County
Records stay with the county that created them. If your ancestor lived here before 1683, 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.