The Ancestor Hunt regularly adds and updates new collection links, as well as searches for and fixes broken links.
(This page's most recent update is January 2025)
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Do you research naturalization records? No? Why not? Does the thought of going through paper files in dusty court basements turn you off? Well – I’m here to tell you that it is worth it – and with recent digitization efforts – more and more original documents have been scanned and made available via microfilm or online.
Some of the larger subscription sites have also made some source documents available – as well as index cards that can lead you to the court that handled the proceedings.
If you wish to get educated first about all of these documents and the naturalization process and how it has changed over time – please read these two terrific summaries:
- The U.S. Archives Naturalization Records
- FamilySearch’s Wiki entry United States Naturalization and Citizenship
- Women and Naturalization
Okay – now that you are educated and know that post-1906 – about 4 awesome documents just drip with great information: Declaration of Intent, Petition for Citizenship or Naturalization, Certificate of Arrival, and the Certificate of Naturalization. Many of the online genealogy websites may not have all of these documents available but do have index cards that are searchable – which have information regarding the court handling the proceedings. With this information, you might be able to track down some of the source documents.
Below is a list of links to free online naturalization record and index collections for the state:
Note: Some links listed take you to a FamilySearch Collection of digital images. Near the bottom of the page under Film/Digital Notes is the name of each sub-collection. If there is a camera icon at the right of the name (in the Format column) then the collections’ images are browsable. If there is a camera with a key icon, it is only available at a Family History Center or affiliated library. If there is a film reel icon, then it is only available in microfilm format, not digital. To take full advantage make sure that you are logged in to FamilySearch. The results may be different if you are signed in, rather than not.
Washington Naturalization Records
- Adams County, Certificates of Naturalization, 1906-1945
- Adams County, Naturalization Records, 1890-1945
- Adams County, Naturalization Records, 1903-1956
- Adams County, Register of Declarations of Intent, 1890-1907
- Adams County, Register of Orders of Naturalization, 1890-1906
- Asotin County, Naturalization Records, 1906-1974
- Asotin County, Naturalization Records, 1906-1976
- Asotin County, Petitions for Naturalization, 1924-1936
- Asotin County, Petitions Granted, 1930-1974
- Asotin County, Register of Applications and Orders of Naturalization, 1885-1906
- Benton County, Naturalization Records, 1901-1955
- Benton County, Naturalization Records, 1905-1954
- Chelan County, Naturalization Records, 1900-1945
- Chelan County, Naturalization Records, 1900-1973
- Clallam County Naturalizations, 1893-1945; Index to Naturalizations, 1889-1974; Declarations of Intention, 1889-1958; Index to Declarations of Intention, 1889-1970
- Clallam County, Naturalization Records, 1919-1955
- Clallam County, Naturalization Records, WWI, Spruce Division
- Clark County Declaration of Intention
- Clark County Naturalization Records
- Clark County, Declarations of Intention, 1890-1982
- Clark County, Naturalization Records
- Clark County, Naturalization Records, 1909-1954
- Columbia County, Journals of Naturalization Orders, 1890-1906
- Columbia County, Naturalization Records, 1890-1953
- Columbia County, Naturalization Records, 1908-1953
- Columbia County, Registers of Declarations of Intent, 1890-1941
- Cowlitz County Naturalization Index
- Cowlitz County Naturalization Records
- Cowlitz County, Naturalization Records
- Cowlitz County, Naturalization Records 1859-1920
- Cowlitz County, Naturalization Records, 1856-1980
- Cowlitz County, Naturalization Records, 1859-1920
- Douglas County, Naturalization Records, 1888-1945
- Douglas County, Naturalization Records, 1891-1973
- Ferry County, Naturalization Records, 1899-1953
- Ferry County, Naturalization Records, 1906-1927
- Franklin County, Naturalization Records, 1874-1974
- Franklin County, Naturalization Records, 1890-1906
- Garfield County, Naturalization Records, 1886-1945
- Garfield County, Naturalization Records, 1892-1952
- Garfield County, Register of Orders of Naturalization, 1891-1912
- Grant County, Naturalization Records
- Grant County, Naturalization Records, 1909-1978
- Grays Harbor County, Declarations of Intention, 1884-1971
- Grays Harbor County, Naturalization Records
- Island County, Naturalization Records, 1890-1930
- Island County, Naturalization Records, 1890-1974
- Jefferson County, Naturalization Records, 1852-1974
- Jefferson County, Naturalization Records, 1855-1973
- King County Indexes to Naturalization and Citizenships, 1865-1928; Declarations of Intention, 1854-1924; Naturalization, 1889-1906; Petitions, 1906-1921
- King County Indexes to Naturalization Records 1864-1889 and 1906-1928
- King County, Naturalization Records, 1864-1990
- King County, Naturalization Records, 1906-1920
- Kitsap County, Miscellaneous Records: Citizenship Certificates, Military Enlistments and Discharges, 1853-1967
- Kitsap County, Naturalization Records, 1871-1989, 1930-1955
- Kitsap County, Naturalization Records, 1906-1910, 1929-1955
- Kittitas County, Naturalization Records
- Kittitas County, Naturalization Records, 1890-1979
- Klickitat County, Naturalization Records
- Klickitat County, Naturalization Records, 1889-1961
- Lewis County Naturalization Index
- Lewis County, Naturalization Records
- Lewis County, Naturalization Records, 1853-1971
- Lewis, Cowlitz, and Pacific County Miscellaneous Naturalization Records
- Lincoln County Naturalization Indexes
- Lincoln County, Naturalization Records, 1877-1964
- Lincoln County, Naturalization Records, 1906-1970
- Lincoln County, Registers of Certificates of Naturalization, 1886-1906
- Lincoln County, Registers of Declarations of Intention, 1886-1906
- Mason County, Naturalization Records
- Mason County, Naturalization Records, 1890-1929
- Okanogan County, Naturalization Records
- Okanogan County, Naturalization Records, 1890-1968
- Pacific County Naturalization Index
- Pacific County, Naturalization Records
- Pacific County, Naturalization Records, 1872-1970
- Pend Oreille County, Naturalization Records
- Pend Oreille County, Naturalization Records, 1911-1969
- Pend Oreille County, Orders of Repatriation, 1912-1945
- Pierce County Naturalization Records, 1906-1924
- Pierce County Indexes to Naturalization Records 1853-1923
- Pierce County, Miscellaneous Records: Citizenship Certificates, Military Enlistments and Discharges, 1886-1968
- Pierce County, Naturalization Records, 1853-1988
- Pierce County, Tacoma, Naturalization Records, 1913-1911
- San Juan County, Naturalization Records, 1871-1960
- San Juan County, Naturalization Records, 1871-1960
- Skagit County, Naturalization Records, 1878-1955
- Skagit County, Naturalization Records, 1878-1974
- Skamania County, Certificate Receipts, 1896-1929
- Skamania County, Declarations of Intent, 1894-1964
- Skamania County, Final Records, 1903
- Skamania County, Naturalization Records
- Skamania County, Petitions, 1907-1973
- Snohomish County Naturalization Records, 1871-1974; Indexes, 1892-1974, 1871-1974
- Snohomish County Indexes to Naturalization Records 1876-1974
- Snohomish County, Naturalization Records, 1876-1974
- Snohomish County, Naturalization Records, 1890-1974
- Spokane County, Certificates of Naturalization, 1885-1906
- Spokane County, Naturalization Records, 1850-1909
- Spokane County, Naturalization Records, 1879-1909, 1912
- Spokane County, Register of Declarations of Intent, 1890-1907
- Stevens County, Naturalization Records, 1868-1973
- Stevens County, Naturalization Records, 1906-1974
- Stevens County, Register of Petitions for Naturalization, 1929-1951
- Stevens County, Registers of Applications and Orders of Naturalization, 1888-1906
- Stevens County, Registers of Declarations of Intention, 1886-1973
- Supreme Court Clerk, Naturalization Records, 1855-1896
- Tacoma Naturalization Records, 1890-1957; Indexes, 1854-1922
- Thurston County Naturalization Records, 1834-1974; Index, 1850-1974
- Thurston County Indexes to Naturalization Records 1850-1974
- Thurston County Naturalization Index
- Thurston County Naturalization Records
- Thurston County, Naturalization Records
- Thurston County, Naturalization Records, 1849-1853, 1906-1974
- Wahkiakum County, Declarations of Intention, 1891-1951
- Wahkiakum County, Miscellaneous Naturalization Records, 1891-1913
- Wahkiakum County, Naturalization Records
- Wahkiakum County, Petitions for Naturalization, 1891-1961
- Walla Walla County, Naturalization Records, 1850-1960
- Walla Walla County, Naturalization Records, 1906-1974
- Walla Walla County, Register of Adult Applications and Orders of Naturalization, 1898-1906
- Walla Walla County, Register of Declarations of Intention, 1886-1906
- Walla Walla County, Register of Minor Applications and Orders of Naturalization, 1890-1904
- Washington Counties Naturalization Records Indexes
- Washington, Certificate of Head Tax Paid by Aliens Arriving at Seattle
- Washington, County Naturalization Records, 1850-1982
- Washington, County Records, 1856-2009
- Washington, Eastern District Declaration of Intention, 1890-1972; Petition for Naturalization, 1907-1950; Repatriations, 1940-1942; Application for Citizenship, 1879-1906; Indexes, 1890-1947
- Washington, Eastern District, Naturalization Records, 1833-1979
- Washington, Supreme Court Naturalization Records, 1855-1896
- Washington, Western District Naturalization Records 1890-1957; Indexes to Naturalization Records 1890-1952
- Washington, Western District, Naturalization Records, 1853-1957
- Washington, Western District, Southern Division, Indexes to Naturalization Records, 1890-1953
- Whatcom County Miscellaneous Citizenship Notices
- Whatcom County, Naturalization Records, 1872-1947
- Whatcom County, Naturalization Records, 1872-1988
- Yakima and Benton County Records of Yakima County 1869-1907, and Benton County 1905-1907
- Yakima County, Naturalization Records, 1868-1971
- Yakima County, Naturalization Records, 1882-1907, 1973-1980
Good Luck and Happy Hunting!