Oregon Historical County Records Guide
Benton County Records Inventory
Naturalization Petitions and Orders
Series documents the application for United States citizenship by aliens. Information includes name, residence, and occupation of applicants; place and date of birth; emigration place, date, and vessel; declaration of intention dates; name, birthplace, and birth date of dependents; and renunciation of allegiance to foreign governments. Accompanying the petitions are witness and petitioner affidavits, oaths of allegiance, court orders admitting or denying citizenship, declarations of intention, depositions, and certificates of arrival.
Records at the Oregon State Archives:
Naturalization Petitions and Records, 1908-1929 (2 volumes);
Search for 1903-1929 Benton County naturalization records in Oregon Historical Records Index.
Records at the Benton County Courthouse, Clerk's Archive Vault:
Court Orders [Naturalization], no. 1-103, 1931-1975 (2 volumes);
Index to Naturalizations [indexes declarations of intention, petitions, and certificates], ca.1864-ca.1950 (1 volume);
List of Naturalizations [refers to county and circuit court journals], 1866-1939 (1 volume);
Naturalization Circuit Court [Interrogatories in Depositions of Witnesses], ca.1951-1971 (1 volume);
Petitions for Naturalization [title varies-some with index], no. 143-967, 1930-1975 (7 volumes);
Repatriations [Naturalization Record], 1942-1944 (1 volume);
Transferred Petitions [Naturalization], 1947-1968 (1 volume).