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These records include the index to Declarations of Intention, Petitions for Naturalization, and Certificates of Naturalization filed with the Cowlitz County Superior Court between 1856 and 1980. The index will give information about the applicant and what documents are included in the files.
For the best search results, search by name. Search by either last name, first and last name, or just the first letter of the last name. The document year is the date of entry into the United States.
Learn about the documentation of Naturalization in Washington and what information is found in the various record types by selecting the tab that says "About this Collection" here
The Washington Territorial Legislature created Cowlitz County on April 21, 1854. It was named in honor of the Cowlitz tribe. Cowlitz County was organized from Lewis County and was one of the first counties created by Washington’s first Territorially Legislature. It is named after the river that Lewis and Clark Cow-e-liske or “river of the shifting sand.” It is located in the southwestern part of the state and is bounded on the south by the Columbia River.
All records are in English.
These records are open for research.
Transcribed and proofread by Karen Johnson, Chehalis, Washington; Jewell Dunn, Olympia, Washington; Bryn Kildow, Olympia, Washington.
Preferred Citation: [Identification of item], Cowlitz County Clerk Naturalization Records, 1856-1980, Office of the Secretary of State, Washington State Archives, Digital Archives, http://digitalarchives.wa.gov, [date accessed].
Source: Cowlitz County Government, Clerk, Naturalization Record, 1856-1981, Washington State Archives, Southwest Regional Branch.
For more information, to learn about related records, or to find Naturalization records not included on this website, contact the Southwest Regional Branch at (360) 753-1684 or email firstname.lastname@example.org.