Did your ancestor naturalize in the state of Washington? Learn vital information in records of naturalization proceedings (including petitions, declarations of intention, certificates, depositions, and final papers) from the counties of Clark, Cowlitz, Grays Harbor, King, Kitsap, Lewis, Mason, Pacific, Pierce, Skamania, Thurston, and Wahkiakum. This collection has been obtained from FamilySearch.
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