New Jersey Naturalization records online and New Jersey Citizenship Records online may include declarations of intent, petitions for naturalization, oaths of allegiance, certificates of citizenship, and more.
These records often provide names and aliases of a person, age, country of birth, ethnic background, date and port of arrival, the name of the ship, previous residences, or current address.
You can look at federal (1870-1920) and state census (1825-1925) records to see if your ancestor was naturalized. See New Jersey Census Records online for census record links and other helpful sources. Also see New Jersey Emigration and Immigration Records online.
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New Jersey Naturalization Records online at the federal and state level
US – United States, New England Petitions for Naturalization Index, 1791-1906, index links to images, at FS
New Jersey – New Jersey Naturalization Records, 1796-1991, index links to images, at FS
New Jersey – New Jersey, county naturalization records, 1749-1986, at FS
New Jersey – New Jersey, Essex County, Newark, certificates of naturalization stubs, 1914-1926, at FS
New Jersey – New Jersey, Essex County, Newark, Declarations of intentions, 1927-1950, at FS
New Jersey – New Jersey, Essex County, Newark, Repatriation oaths of allegiance, 1921-1970, at FS
New Jersey – New Jersey, Mercer County, Trenton, Declarations of Intentions, 1913-1950, at FS
New Jersey – Naturalization records, 1749-1873; card index, 1761-1860, at FS
New Jersey – Naturalization records, 1832-1847, 1852, 1856-1858, 1861-1862, at FS
New Jersey – Petitions for naturalization from the U.S. District Court for the District of New Jersey at Newark, New Jersey, 1914-1945 : NARA RG21 M2123, 1914-1945, at FS
New Jersey – Guide to naturalization records in New Jersey, at FS
New Jersey – Index to naturalization records, 1703-1862, at FS
New Jersey – New Jersey naturalization records, 1796-1991, at FS
New Jersey Naturalization Records, 1796-1991, index links to images, at FS
New Jersey, county naturalization records, 1749-1986, at FS
New Jersey, Mercer County, Trenton, Declarations of Intentions, 1913-1950, at FS
Naturalization records, 1749-1873; card index, 1761-1860, at FS
Naturalization records, 1832-1847, 1852, 1856-1858, 1861-1862, at FS
Guide to naturalization records in New Jersey, at FS
Index to naturalization records, 1703-1862, at FS
New Jersey naturalization records, 1796-1991, at FS
New Jersey Naturalization Records online at the county level
Atlantic County – Naturalization and citizenship – Declarations of intention
Atlantic County – Naturalization and citizenship – Naturalization records
Bergen County – Naturalization and Citizenship – Alien Declarations, 1808-1895, at FS
Bergen County – Naturalization and Citizenship – Naturalization Papers, 1804-1906, at FS
Bergen County – Naturalization and Citizenship – Naturalization Papers, 1895-1906, at FS
Burlington County – Naturalization and citizenship – Naturalization register, 1795-1906 , at FS
Burlington County – Naturalization and citizenship – New Jersey, Burlington County, Fort Dix military base, naturalization records , at FS
Camden County – Naturalization and citizenship – New Jersey, Camden County, Naturalization Records, 1932-1982, at FS
Cape May County – Naturalization and citizenship – Naturalization Records, 1805-1908, at FS
Cape May County – Naturalization and citizenship – Naturalization Records, 1896-1962, at FS
Cape May County – Naturalization and citizenship – Naturalizations, 1924-1929, at FS
Cumberland County – Naturalization and Citizenship – Minutes, 1856-1900, at FS
Cumberland County – Naturalization and Citizenship – Naturalization Records, 1834-1906, at FS
Cumberland County – Naturalization and Citizenship – Naturalization Records, 1840-1980, at FS
Essex County – Naturalization and citizenship – Declarations of Intention, 1849-1906, at FS
Essex County – Naturalization and citizenship – Facts for Declaration of Intention, 1872-1906, at FS
Essex County – Naturalization and citizenship – Miscellaneous Naturalization Papers, 1816-1901, at FS
Essex County – Naturalization and citizenship – Naturalization Papers, 1779-1888, at FS
Essex County – Naturalization and citizenship – Naturalization Papers, 1848-1906, at FS
Essex County – Naturalization and citizenship – New Jersey, Essex County, Newark, Certificates of Naturalization Stubs, 1914-1926, at FS
Essex County – Naturalization and citizenship – New Jersey, Essex County, Newark, Certificates of Naturalization Stubs, 1914-1926, at FS
Essex County – Naturalization and citizenship – New Jersey, Essex County, Newark, Declarations of Intentions, 1927-1950, at FS
Essex County – Naturalization and citizenship – New Jersey, Essex County, Newark, Repatriation Oaths of Allegiance, 1921-1970, at FS
Essex County – Naturalization and citizenship – Petitions for Naturalization, 1850-1906; Indexes to Naturalization Records, 1830-1906, at FS
Gloucester County – Naturalization and citizenship – Naturalizations, 1808-1926, at FS
Hudson County – Naturalization and citizenship – Naturalization Duplicates Filed out of Order, 1840-1892, at FS
Hudson County – Naturalization and citizenship – Naturalization Papers, 1834-1907, at FS
Hudson County – Naturalization and citizenship – Declarations of Intention, 1877-1895 [Hudson County, New Jersey], at FS
Hunterdon County – Naturalization and citizenship – Affidavits, 1713-1860, at FS
Hunterdon County – Naturalization and citizenship – Declarations of Intention, 1871-1906, at FS
Hunterdon County – Naturalization and citizenship – Index of Naturalization Papers, 1803-1966, at FS
Hunterdon County – Naturalization and citizenship – Naturalization Petitions, 1871-1906, at FS
Hunterdon County – Naturalization and citizenship – Naturalization Records, 1803-1876, at FS
Hunterdon County – Naturalization and citizenship – Naturalization Records, 1808-1809, at FS
Mercer County – Naturalization and Citizenship – Declarations of Intention, 1868-1906, at FS
Mercer County – Naturalization and Citizenship – Naturalization Records, 1838-1906, at FS
Mercer County – Naturalization and Citizenship – New Jersey, Mercer County, Naturalization Records, 1796-1987, at FS
Mercer County – Naturalization and Citizenship – New Jersey, Mercer County, Trenton, Declarations of Intentions, 1913-1950, at FS
Mercer County – Naturalization and Citizenship – Record of Depositions, 1919-1926, at FS
Middlesex County – Naturalization and citizenship – Naturalization Papers, 1798-1906 ; Index to Naturalization, 1832-1906, at FS
Middlesex County – Naturalization and citizenship – Declarations of Intention, 1887-1906, at FS
Monmouth County – Naturalization and citizenship – Naturalization Records, 1804-1929, at FS
Monmouth County – Naturalization and citizenship – Declarations of Intention, 1808-1911, at FS
Morris County – Naturalization and citizenship – Declarations of Intention, 1834-1908 [Morris County, New Jersey], at FS
Morris County – Naturalization and citizenship – Naturalization Applications Withdrawn, 1895-1906, at FS
Morris County – Naturalization and citizenship – Naturalization Records, 1804-1906, at FS
Ocean County – Naturalization and citizenship – Naturalizations Completed, 1857-1906, at FS
Ocean County – Naturalization and citizenship – Declarations of Intention, 1850-1906, at FS
Passaic County – Naturalization and Citizenship – Declarations of Intention Papers, 1837-1870, at FS
Passaic County – Naturalization and Citizenship – Declarations of Intention, 1873-1906, at FS
Passaic County – Naturalization and Citizenship – Naturalization Papers, 1837-1906 [Passaic County, New Jersey], at FS
Passaic County – Naturalization and Citizenship – Naturalizations Refused, 1895-1906, at FS
Passaic County – Naturalization and Citizenship – Old First Papers, Ca. 1870-1904, at FS
Passaic County – Naturalization and Citizenship – Second Papers Not Good, Ca. 1895-1906 [Passaic County, New Jersey], at FS
Salem County – Naturalization and Citizenship – Minutes, 1834-1911, at FS
Salem County – Naturalization and Citizenship – Naturalization Records, 1808-1906, at FS
Salem County – Naturalization and Citizenship – Naturalization Records, 1888-1960, at FS
Somerset County – Naturalization and citizenship – Declarations of Intention, 1809-1922, at FS
Somerset County – Naturalization and citizenship – Naturalization Petitions, 1830-1906, at FS
Sussex County – Naturalization and Citizenship – Court Records, 1778-1902 [Sussex County, New Jersey], at FS
Union County – Naturalization and Citizenship – Declarations of Intention, 1857-1928, at FS
Union County – Naturalization and Citizenship – Naturalization Certificate Stubs : 1914-1930, at FS
Union County – Naturalization and Citizenship – Naturalization Petitions, 1857-1906, at FS
Union County – Naturalization and Citizenship – Petition and Record : 1906-1987, at FS
Warren County – Naturalization and citizenship – Naturalization Papers and Petitions, 1825-1906, at FS
New Jersey Naturalization Records online at the city level
Camden – Naturalization and Citizenship – New Jersey, Camden County, Naturalization Records, 1932-1982, at FS
Fort Dix – Naturalization and Citizenship – New Jersey, Burlington County, Fort Dix Military Base, Naturalization Records, 1914-1946, at FS
Newark – Naturalization and Citizenship – New Jersey, Essex County, Newark, Certificates of Naturalization Stubs, 1914-1926, at FS
Newark – Naturalization and Citizenship – New Jersey, Essex County, Newark, Declarations of Intentions, 1927-1950, at FS
Newark – Naturalization and Citizenship – New Jersey, Essex County, Newark, Repatriation Oaths of Allegiance, 1921-1970, at FS
Newark – Naturalization and Citizenship – New Jersey, Essex County, Transfer Petitions 1953-1980; Overseas Military Petitions, 1942-1956, Military Petitions 1918-1946, 1914-1982, at FS
Newark – Naturalization and Citizenship – New Jersey, Naturalization Records : NARA RG21 M2123, at FS
Newark – Naturalization and Citizenship – Petitions for Naturalization from the U.S. District Court for the District of New Jersey at Newark, New Jersey, 1914-1982 : NARA RG21 M2123, 1914-1945, at FS
Trenton – Naturalization and citizenship – New Jersey, Mercer County, Naturalization Records, 1796-1987, at FS
Trenton – Naturalization and citizenship – New Jersey, Mercer County, Trenton, Declarations of Intentions, 1913-1950, at FS
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