Ohio Naturalization records online and Ohio 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 Ohio Census Records online for census record links and other helpful sources. Also see Ohio Emigration and Immigration Records online.

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Ohio Naturalization Records online at the federal and state level

US – United States, New England Petitions for Naturalization Index, 1791-1906, index & images, at FS

Ohio – Ohio, County Naturalization Records, 1800-1977, index & images, at FS

Ohio – Naturalization index (Ohio), 1852-1991, at FS

Ohio – Guide to Ohio newspapers, 1793-1973: union bibliography of Ohio newspapers available in Ohio libraries, at FS

Ohio – Declaration of intention and certificates of naturalization stubbs issued at Dayton, 1916-1935, 1916-1935, at FS

Northern District – Ohio, Northern District, Eastern Division, Naturalization Index, 1855-1967, at FS

Northern District – Ohio, Lucas, Toledo U.S. District Court, Northern District of Ohio, Western Divisions Toledo naturalization records, 1907-1950, at FS

Northern District – Ohio, Cleveland, Cuyahoga, Northern District, Eastern Division, naturalization records, 1855-1945, at FS

Northern District – Naturalization service, petition and records, (Ohio), 1907-1946 : NARA, M1995A-M1995B, at FS

Northern District – Naturalization records, 1852-1903 ; index to Naturalization petitions and records, 1855-1903, at FS

Northern District – Index cards to naturalization petitions for the United States District Court for the Northern District of Ohio, Eastern Division, Cleveland, 1855 – 1967 : NARA RG21 publication M1893, at FS

Southern District – Ohio, Southern District Naturalization Index, 1852-1991, index & images, at FS

Southern District – Ohio, Hamilton, Cincinnati U.S. District Court, Southern District of Ohio, Western Division naturalization records, 1906-1966, at FS

Southern District – Naturalization service petition and record at Columbus and certificates of naturalization stubs, 1918-1931, at FS

Southern District – Naturalization service petition and record and certificates of naturalization stubs at Dayton, 1916-1931, at FS

Ohio Naturalization Records online at the county level

Allen County – Naturalization and Citizenship – Naturalization Records, 1860-1906; Index, 1851-1906, at FS

Allen County – Naturalization and Citizenship – Naturalization Records, 1906-1929, at FS

Allen County – Naturalization and Citizenship – Naturalization Records, 1907-1974, at FS

Ashland County – Naturalization and Citizenship – Naturalization Records, 1860-1906, at FS

Ashland County – Naturalization and Citizenship – Naturalization Records, 1906-1958, at FS

Ashtabula County – Naturalization and Citizenship – Declarations of Intentions with Naturalization Records 1858-1906, at FS

Athens County – Naturalization and Citizenship – Naturalization Records, 1880-1906, at FS

Athens County – Naturalization and Citizenship – Probate Records, 1842-1897; General Indexes, 1800-1966, at FS

Auglaize County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Mercer County, Ohio, 1814- 1906; and Auglaize County, Ohio, 1854-1906, at FS

Auglaize County – Naturalization and Citizenship – Naturalization Records, 1848-1960, at FS

Belmont County – Naturalization and Citizenship – Declaration of Intention, 1906-1960 ; Index, 1906-1960, at FS

Belmont County – Naturalization and Citizenship – Declarations of Intention, 1862-1906, at FS

Belmont County – Naturalization and Citizenship – Naturalization Records, 1860-1906 ; Index, Ca. 1860-1906, at FS

Belmont County – Naturalization and Citizenship – Petition & Record, 1907-1965 ; Index, Ca. 1860-1963, at FS

Brown County – Naturalization and Citizenship – Declaration of Intention, 1884-1901; Naturalization Records, 1856-1906, at FS

Butler County – Naturalization and Citizenship – Ohio, Butler County, Naturalization Records, 1840–1970, at FS

Carroll County – Naturalization and Citizenship – Naturalization Records, 1860-1973, at FS

Champaign County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Champaign County, Ohio, 1820-1956, and Logan County, Ohio, 1820-1906, at FS

Champaign County – Naturalization and Citizenship – Naturalization Index Card, Ca. 1828-1896, at FS

Champaign County – Naturalization and Citizenship – Naturalization Records 1860-1898, at FS

Champaign County – Naturalization and Citizenship – Naturalization Records, 1900-1960, at FS

Clark County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Clark County, Ohio, 1820-1906, and Greene County, Ohio, 1831-1958, at FS

Clark County – Naturalization and Citizenship – Naturalization Records, 1856-1906, at FS

Clermont County – Naturalization and Citizenship – Naturalization Records, 1907-1929, at FS

Clermont County – Naturalization and Citizenship – Naturalization Records, V. 1-2, 1880-1905, at FS

Clinton County – Naturalization and Citizenship – Naturalization and Declaration of Intention 1872-1895, at FS

Columbiana County – Naturalization and Citizenship – Naturalization and Petition Records, Ca. 1921-1930, at FS

Coshocton County – Naturalization and Citizenship – Naturalization Records, 1839-1906, at FS

Crawford County – Naturalization and Citizenship – Naturalization Records 1860-1906, Crawford County, Ohio, at FS

Crawford County – Naturalization and Citizenship – Naturalization Records Abstracts, Crawford County Courthouse, Bucyrus, Ohio, at FS

Crawford County – Naturalization and Citizenship – Naturalizations of Crawford County, Ohio, at FS

Cuyahoga County – Naturalization and Citizenship – Alien Appearance Docket, 1883-1895, at FS

Cuyahoga County – Naturalization and Citizenship – Alien Docket (declaration of Aliens), 1818-1906, at FS

Cuyahoga County – Naturalization and Citizenship – Alien Docket, 1820-1854, at FS

Cuyahoga County – Naturalization and Citizenship – Common Pleas Journals, 1823-1852, at FS

Cuyahoga County – Naturalization and Citizenship – Declaration of Aliens Under 18, 1883-1906, at FS

Cuyahoga County – Naturalization and Citizenship – Declarations of Intention, 1906-1931 ; Indexes, 1906-1971, at FS

Cuyahoga County – Naturalization and Citizenship – Indexes – Alien Index (final Papers), Ca. 1820’s – Ca. 1900’s, at FS

Cuyahoga County – Naturalization and Citizenship – Indexes – Declaration of Intention Index of Common Pleas Court, 1910-1915, at FS

Cuyahoga County – Naturalization and Citizenship – Indexes – Index to Naturalizations of Court of Common Pleas, 1818-1931, at FS

Cuyahoga County – Naturalization and Citizenship – Indexes – Naturalization Index, 1859-1901, at FS

Cuyahoga County – Naturalization and Citizenship – Naturalization Card File, Ca. 1850-1970, at FS

Cuyahoga County – Naturalization and Citizenship – Naturalization Records, 1859-1901, at FS

Cuyahoga County – Naturalization and Citizenship – Naturalization Records, 1883-1906, at FS

Cuyahoga County – Naturalization and Citizenship – Petition and Record, 1906-1931, at FS

Cuyahoga County – Naturalization and Citizenship – Petitions for Naturalization, 1902, at FS

Darke County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Darke County, Ohio, 1812- 1928; and Miami County, Ohio, 1814-1906, at FS

Darke County – Naturalization and Citizenship – Naturalization Records, 1876-1906, at FS

Defiance County – Naturalization and Citizenship – Naturalization Records, 1870-1906, at FS

Delaware County – Naturalization and Citizenship – Indexes – Naturalization Index, Ca. 1830-1896 : A – Z, at FS

Delaware County – Naturalization and Citizenship – Naturalization Record (Delaware County, Ohio), 1860-1952, at FS

Erie County – Naturalization and Citizenship – Naturalization Records, 1838-1929, at FS

Erie County – Naturalization and Citizenship – Naturalization Records, Erie County, Ohio, 1854-1877, at FS

Fairfield County – Naturalization and Citizenship – Indexes – Fairfield County Court Records, 1801-1900, at FS

Fairfield County – Naturalization and Citizenship – Naturalizations, 1879-1904, at FS

Fayette County – Naturalization and Citizenship – Naturalization Records, 1880-1905, at FS

Franklin County – Naturalization and Citizenship – Declarations of Intention and Petition for Naturalization, 1846-1917, at FS

Franklin County – Naturalization and Citizenship – Military Petitions for Naturalization at Columbus, 1918-1919, at FS

Franklin County – Naturalization and Citizenship – Naturalization Records, 1859-1906; Index to Naturalization Records, 1850-1906, at FS

Franklin County – Naturalization and Citizenship – Naturalization Service Petition and Record at Columbus and Certificates of Naturalization Stubs, 1918-1931, at FS

Franklin County – Naturalization and Citizenship – Ohio, Franklin County, Naturalization and Citizenship, at FS

Fulton County – Naturalization and Citizenship – Declaration of Intention and Naturalization Records, 1908-1929, at FS

Fulton County – Naturalization and Citizenship – Naturalization Records, 1872-1906, at FS

Gallia County – Naturalization and Citizenship – Civil Journal, 1852-1881, at FS

Gallia County – Naturalization and Citizenship – Naturalization Records, 1859-1960, Gallia County, Ohio, at FS

Gallia County – Naturalization and Citizenship – Ohio, Gallia County, Naturalization Records, 1880-1900, at FS

Geauga County – Naturalization and Citizenship – Naturalization Record : 1860-1912, at FS

Geauga County – Naturalization and Citizenship – Ohio, Geauga County Records : COLLECTION RECORD, 1860-1970, at FS

Geauga County – Naturalization and Citizenship – Ohio, Geauga County, Naturalization Records, 1860-1959, at FS

Greene County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Clark County, Ohio, 1820-1906, and Greene County, Ohio, 1831-1958, at FS

Greene County – Naturalization and Citizenship – Indexes – Index to Naturalization Records, at FS

Greene County – Naturalization and Citizenship – Indexes – Ohio, Greene County, Naturalization Records, 1861-1906, at FS

Greene County – Naturalization and Citizenship – Naturalization Records, 1880-1886, at FS

Greene County – Naturalization and Citizenship – Naturalization Records, 1908-1958, at FS

Greene County – Naturalization and Citizenship – Ohio, Greene County, Naturalization Records, 1861-1906, at FS

Guernsey County – Naturalization and Citizenship – Declaration of Intention, 1906-1957, at FS

Guernsey County – Naturalization and Citizenship – Naturalization Record, 1864-1906, at FS

Guernsey County – Naturalization and Citizenship – Ohio, Guernsey County, Naturalization Records, at FS

Guernsey County – Naturalization and Citizenship – Petition & Record, 1907-1946, 1907-1960, at FS

Hamilton County – Naturalization and Citizenship – Declarations of Intention, 1848-1895, at FS

Hamilton County – Naturalization and Citizenship – Hamilton County, Ohio, Miscellaneous Abstracts and Extracts : Ca. 19th Century, at FS

Hamilton County – Naturalization and Citizenship – Indexes – Index to Aliens, 1880-1899, at FS

Hamilton County – Naturalization and Citizenship – Indexes – Index to Naturalizations, [1864-1908], at FS

Hamilton County – Naturalization and Citizenship – Naturalization Records, 1850-1902, at FS

Hamilton County – Naturalization and Citizenship – Ohio, Hamilton County Records : COLLECTION RECORD, 1791-1994, at FS

Hamilton County – Naturalization and Citizenship – Ohio, Hamilton County, Miscellaneous Probate Court Dockets, 1883-1942, at FS

Hamilton County – Naturalization and Citizenship – Ohio, Hamilton County, Naturalization Records, 1856-1942, at FS

Hamilton County – Naturalization and Citizenship – Restoration of Naturalization Papers, 1887-1926 : Second Papers of 1830-1889, at FS

Hancock County – Naturalization and Citizenship – Naturalization Records, 1876-1903, at FS

Hardin County – Naturalization and Citizenship – Naturalization Records, 1854-1929, at FS

Henry County – Naturalization and Citizenship – Naturalization Records 1852-1906, Henry County, Ohio, at FS

Highland County – Naturalization and Citizenship – Naturalization Records, 1879-1899, at FS

Hocking County – Naturalization and Citizenship – Naturalization Records (Hocking County, Ohio), Ca. 1850-1943, at FS

Holmes County – Naturalization and Citizenship – Naturalization Records, 1907-1970; Index, Ca. 1840-1940, at FS

Huron County – Naturalization and Citizenship – Declaration and Record of First Papers 1859-1905, Huron County, Ohio, at FS

Huron County – Naturalization and Citizenship – Naturalization Records 1859-1905, Huron County, Ohio, at FS

Huron County – Naturalization and Citizenship – Naturalizations and Declarations of Intent (Huron County, Ohio), 1846-1929, at FS

Jackson County – Naturalization and Citizenship – Naturalization Petition Records 1907-1926, Jackson County, Ohio, at FS

Jackson County – Naturalization and Citizenship – Naturalization Records, 1865-1906, at FS

Jackson County – Naturalization and Citizenship – Naturalization Records, 1880-1903, at FS

Jefferson County – Naturalization and Citizenship – Naturalization Records (Jefferson County, Ohio), 1823-1958, at FS

Jefferson County – Naturalization and Citizenship – Ohio, Jefferson County Court Records : COLLECTION RECORD, 1797-1947, at FS

Jefferson County – Naturalization and Citizenship – Ohio, Jefferson County, Naturalization Records, 1823-1958, at FS

Knox County – Naturalization and Citizenship – Naturalization Records, 1860-1953 ; General Index, 1906-1938 ; Index Card File, Ca. 1830-1950, at FS

Lake County – Naturalization and Citizenship – Court Journal, Chancery Record, Law Record, Court Docket, 1845-1884, at FS

Lake County – Naturalization and Citizenship – Naturalization Records, 1860-1906, at FS

Lawrence County – Naturalization and Citizenship – Journal, 1852-1878, at FS

Lawrence County – Naturalization and Citizenship – Naturalization Records, 1907-1954, at FS

Lawrence County – Naturalization and Citizenship – Naturalizations, 1877-1906, at FS

Licking County – Naturalization and Citizenship – Naturalization Records, 1875-1906, at FS

Logan County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Champaign County, Ohio, 1820-1956, and Logan County, Ohio, 1820-1906, at FS

Logan County – Naturalization and Citizenship – Naturalization Final Record, 1860-1880, at FS

Logan County – Naturalization and Citizenship – Naturalization Records 1881-1906, at FS

Lucas County – Naturalization and Citizenship – Certificates of Naturalization, Ca. 1800’s – Ca. 1920’s, at FS

Lucas County – Naturalization and Citizenship – Court Record of Naturalization Reports, Ca. 1850 – Ca. 1935, at FS

Lucas County – Naturalization and Citizenship – Declarations of Intentions and Naturalizations, 1844-1906, at FS

Lucas County – Naturalization and Citizenship – Indexes – Indexes to Declarations of Intention and Naturalization Records (Lucas County, Ohio), 1835-1952, at FS

Lucas County – Naturalization and Citizenship – Naturalization and Petition Records (Lucas County, Ohio), 1906-1929 ; Index, 1907-1929, at FS

Lucas County – Naturalization and Citizenship – Naturalization Records (Lucas County, Ohio), 1885-1906 ; Index, 1835-1906, at FS

Lucas County – Naturalization and Citizenship – Naturalization Records for Minors (Lucas County, Ohio), 1885-1906, at FS

Lucas County – Naturalization and Citizenship – Naturalization Records, 1906-1935, 1906-1935, at FS

Madison County – Naturalization and Citizenship – Civil Dockets, V. A-B, 1856-1927, at FS

Madison County – Naturalization and Citizenship – Naturalization Records, V. 1-2, 1860-1903, at FS

Mahoning County – Naturalization and Citizenship – Naturalization Records, 1873-1906; Court Calendar of Declaration and Naturalization Proceedings, 1846-1866, at FS

Marion County – Naturalization and Citizenship – Naturalization Records, 1859-1905, at FS

Meigs County – Naturalization and Citizenship – Naturalization Records (Meigs County, Ohio), 1880-1900, 1908-1959, at FS

Mercer County – Naturalization and Citizenship – Court Records, 1824-1857, at FS

Mercer County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Mercer County, Ohio, 1814- 1906; and Auglaize County, Ohio, 1854-1906, at FS

Mercer County – Naturalization and Citizenship – Naturalization Records, 1848-1906, at FS

Miami County – Naturalization and Citizenship – Court Records, 1807-1858, at FS

Miami County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Darke County, Ohio, 1812- 1928; and Miami County, Ohio, 1814-1906, at FS

Monroe County – Naturalization and Citizenship – Naturalization Records, 1867-1959, at FS

Montgomery County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Montgomery County, Ohio, 1803-1931, at FS

Montgomery County – Naturalization and Citizenship – Naturalization Records, 1818-1916, at FS

Montgomery County – Naturalization and Citizenship – Naturalization Records, 1834-1916, at FS

Morgan County – Naturalization and Citizenship – Court Records, 1819-1853; Index, 1819-1860, at FS

Morgan County – Naturalization and Citizenship – Naturalization Record, 1861-1892, at FS

Morrow County – Naturalization and Citizenship – Naturalization Records, V. 2, 1880-1896, at FS

Muskingum County – Naturalization and Citizenship – Naturalization Records, 1860-1905, at FS

Muskingum County – Naturalization and Citizenship – Ohio, Muskingum County, Naturalization Records, 1830-1959, at FS

Noble County – Naturalization and Citizenship – Naturalization Records, 1880-1954, at FS

Ottawa County – Naturalization and Citizenship – Declaration of Intention Record, 1877-1902; Naturalization Record, 1877- 1903, at FS

Ottawa County – Naturalization and Citizenship – Naturalization Records, 1904-1905, at FS

Ottawa County – Naturalization and Citizenship – Naturalization Records, Affidavits, 1860-1872, 1876-1877 (Ottawa County, Ohio), at FS

Ottawa County – Naturalization and Citizenship – Naturalization Records, Ca. 1904-1940, at FS

Paulding County – Naturalization and Citizenship – Naturalization Records, 1860-1903, at FS

Paulding County – Naturalization and Citizenship – Naturalization Records, 1908-1930, at FS

Perry County – Naturalization and Citizenship – Naturalization Records, 1859-1906, at FS

Pickaway County – Naturalization and Citizenship – Declaration of Intention & Naturalization Record, 1860-1924, at FS

Portage County – Naturalization and Citizenship – Naturalization Records, 1859-1906, at FS

Preble County – Naturalization and Citizenship – Naturalization Records, 1860-1905, at FS

Putnam County – Naturalization and Citizenship – Declaration of Intention, 1833-1915, at FS

Putnam County – Naturalization and Citizenship – Naturalization Records 1854-1905, Putnam County, Ohio, at FS

Putnam County – Naturalization and Citizenship – Naturalization Records, 1861-1929, at FS

Richland County – Naturalization and Citizenship – Indexes – General Index to Miscellaneous Records, V. 1, 1813-1900 (Richland County, Ohio), at FS

Richland County – Naturalization and Citizenship – Naturalization Intention Papers, Richland County, Ohio (1875-1896), at FS

Richland County – Naturalization and Citizenship – Naturalization Records, 1852-1906, at FS

Ross County – Naturalization and Citizenship – Naturalization Records V. 1-4, 1851-1906, at FS

Ross County – Naturalization and Citizenship – Naturalization Records, V. 1-4 1851-1903 [and] File Card Index, at FS

Sandusky County – Naturalization and Citizenship – Declarations of Intention, 1830-1930, at FS

Sandusky County – Naturalization and Citizenship – Naturalization Papers, 1830-1860, at FS

Sandusky County – Naturalization and Citizenship – Naturalization Records, 1859-1929, at FS

Scioto County – Naturalization and Citizenship – Affidavits, Declarations of Naturalization, 1859-1872, at FS

Scioto County – Naturalization and Citizenship – Naturalization Records, 1880-1906, at FS

Scioto County – Naturalization and Citizenship – Ohio, Scioto County, Naturalization Records, 1858-1945, at FS

Seneca County – Naturalization and Citizenship – Naturalization Records 1852-1930, Seneca County, Ohio, at FS

Shelby County – Naturalization and Citizenship – Indexes – An Index to Naturalization Records from Shelby County, Ohio, 1814-1906, at FS

Shelby County – Naturalization and Citizenship – Naturalization Records, 1836-1905, at FS

Shelby County – Naturalization and Citizenship – Naturalization Records, 1840-1905, at FS

Stark County – Naturalization and Citizenship – Naturalization Records, 1861-1903, at FS

Stark County – Naturalization and Citizenship – Ohio, Stark County, Naturalization Records, 1888-1925, 1925-1957, at FS

Summit County – Naturalization and Citizenship – Summit County Naturalization Records, at OPR

Summit County – Naturalization and Citizenship – Naturalization Records, 1859-1906, at FS

Summit County – Naturalization and Citizenship – Naturalizations, 1849-1930, at FS

Summit County – Naturalization and Citizenship – Summit County, Ohio, Naturalization Card File, Ca. 1842-1977, at FS

Trumbull County – Naturalization and Citizenship – Naturalizations in Trumbull County, Ohio, 1800-1870, at FS

Trumbull County – Naturalization and Citizenship – Ohio, Trumbull County Records : COLLECTION RECORD, 1795-2010, at FS

Trumbull County – Naturalization and Citizenship – Ohio, Trumbull County, Naturalization Records, 1855-1985, at FS

Tuscarawas County – Naturalization and Citizenship – Indexes – General Index to Files, 1808-1939, at FS

Union County – Naturalization and Citizenship – Declaration of Intention, 1874-1906, at FS

Union County – Naturalization and Citizenship – Declaration of Intention, 1906-1918 ; Naturalization Record of Alien and Minor, 1903, at FS

Union County – Naturalization and Citizenship – Naturalization Records, V. A-C, 1860-1906, at FS

Union County – Naturalization and Citizenship – Ohio, Union County, Naturalization Records, 1820-1920, at FS

Van Wert County – Naturalization and Citizenship – Naturalization Records, 1852-1905, at FS

Vinton County – Naturalization and Citizenship – Naturalization Records, 1877-1926, at FS

Warren County – Naturalization and Citizenship – Naturalization Records, 1856-1906, at FS

Washington County – Naturalization and Citizenship – Naturalization Records, 1859-1905, at FS

Wayne County – Naturalization and Citizenship – Naturalization Records, 1861-1903, at FS

Wyandot County – Naturalization and Citizenship – Naturalization Records, 1859-1906 ; Index, 1859-1906, at FS

Wyandot County – Naturalization and Citizenship – Naturalization Records, 1860-1949, at FS

Ohio Naturalization Records online at the city level

Cincinnati – Naturalization and Citizenship – Indexes – Naturalization Index (Ohio), 1852-1991, at FS

Cincinnati – Naturalization and Citizenship – Indexes – Ohio, Southern District Naturalization Index : COLLECTION RECORD, 1852-1991, at FS

Cincinnati – Naturalization and Citizenship – Ohio, Hamilton, Cincinnati U.S. District Court, Southern District of Ohio, Western Division Naturalization Records, 1906-1966, at FS

Cleveland – Naturalization and Citizenship – Indexes – Index Cards to Naturalization Petitions for the United States District Court for the Northern District of Ohio, Eastern Division, Cleveland, 1855 1967 : NARA RG21 Publication M1893, at FS

Cleveland – Naturalization and Citizenship – Indexes – Ohio, Cleveland, Cuyahoga, Northern District, Eastern Division, Naturalization Records, at FS

Cleveland – Naturalization and Citizenship – Indexes – Ohio, Northern District, Eastern Division, Naturalization Index : COLLECTION RECORD, 1855-1967, at FS

Cleveland – Naturalization and Citizenship – Naturalization Service, Petition and Records, (Ohio), 1907-1946 : NARA, M1995A-M1995B, at FS

Cleveland – Naturalization and Citizenship – Ohio, Cleveland, Cuyahoga, Northern District, Eastern Division, Naturalization Records, at FS

Cleveland – Naturalization and Citizenship – Ohio, Northern District, Eastern Division, Naturalization Index : COLLECTION RECORD, 1855-1967, at FS

Columbus – Naturalization and Citizenship – Indexes – Naturalization Index (Ohio), 1852-1991, at FS

Columbus – Naturalization and Citizenship – Indexes – Ohio, Southern District Naturalization Index : COLLECTION RECORD, 1852-1991, at FS

Columbus – Naturalization and Citizenship – Military Petitions for Naturalization at Columbus, 1918-1919, at FS

Columbus – Naturalization and Citizenship – Naturalization Service Petition and Record at Columbus and Certificates of Naturalization Stubs, 1918-1931, at FS

Columbus – Naturalization and Citizenship – Ohio, Franklin County, Naturalization and Citizenship, at FS

Columbus – Naturalization and Citizenship – Record of declaration of intention at Columbus, 1917-1950, at FS

Dayton – Naturalization and Citizenship – Military petition for naturalization at Dayton, 1918-1919, at FS

Dayton – Naturalization and Citizenship – Indexes – Naturalization Index (Ohio), 1852-1991, at FS

Dayton – Naturalization and Citizenship – Indexes – Ohio, Southern District Naturalization Index : COLLECTION RECORD, 1852-1991, at FS

Dayton – Naturalization and Citizenship – Naturalization Service Petition and Record and Certificates of Naturalization Stubs at Dayton, 1916-1931, at FS

Dayton – Naturalization and Citizenship – Ohio, Naturalization Records Issued in Dayton, at FS

Steubenville – Naturalization and Citizenship – Indexes – Naturalization Index (Ohio), 1852-1991, at FS

Steubenville – Naturalization and Citizenship – Indexes – Ohio, Southern District Naturalization Index : COLLECTION RECORD, 1852-1991, at FS

Toledo – Naturalization and Citizenship – Certificates of Naturalization, Ca. 1800’s – Ca. 1920’s, at FS

Toledo – Naturalization and Citizenship – Naturalization Records, 1839-1960, at FS

Toledo – Naturalization and Citizenship – Ohio, Lucas, Toledo U.S. District Court, Northern District of Ohio, Western Divisions Toledo Naturalization Records, 1907-1950, at FS

Ohio Naturalization records online