Oregon Historical County Records Guide
Multnomah County Records Inventory
Series documents the granting of United States citizenship to petitioners. Records include applications, witness affidavits, court findings granting or denying citizenship, certificates, and indexes. Declarations of intention may also be included. Information includes name, age, and residence of applicant; applicant's dependents; date of filing of declarations of intention and petitions; and volume and page numbers where papers are recorded.
Beginning in 1887 some Certificates of Citizenship were filed in the Miscellaneous Books. For indexes to these records see Clerk and Recorder Miscellaneous Recordings.
Records at the Towne Storage Building, Multnomah County Circuit Court Records Area:
Certificates of Naturalization, 1907-1921 (77 volumes).
Records at the Multnomah Building, Suite 175:
[Miscellaneous Books-includes some Certificates of Citizenship], vol. 3-87, 1887-1929 (12 reels of microfilm); vol. 1-40, 1929-ca.1940 (10 reels of microfilm).