Ancestry.com - Idaho, Naturalization Records, 1868-1985 $

Original source: Idaho, Oregon, and Washington Petitions for Naturalization, 1932–1991. Records of the District Courts of the United States, RG 21. The National Archives at Seattle, Seattle, Washington. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.

Ancestry.com - Search Immigration & Travel

Passenger lists, citizenship, naturalization, and other immigration sources. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.

Idaho State Historical Society - Naturalization Records at the Public Archives and Research Library

Staff and interns at the Idaho State Historical Society Library and Archives have created an index to naturalization records held by the L&A. The index includes name, date, record type, and source of the information. The page also includes a brief overview of the naturalization process and information on how to contact staff for additional information.