Washington District Court Jurisdictions

21.50 Records of U.S. District and Other Courts in Washington 1849-1977

21.50.1 Records of the U.S. Territorial Court and its successor superior (county) courts 21.50.2 Records of the U.S. District Court for the Eastern District 21.50.3 Records of the U.S. Circuit Court for the Eastern District
 * King
 * Pierce
 * Snohomish
 * Thurston
 * Spokane
 * Walla Walla
 * Yakima
 * Spokane
 * Walla Walla
 * Yakima

21.50.4 Records of the U.S. District Court for the Western District 21.50.5 Records of the U.S. Circuit Court for the Western District
 * Bellingham
 * Seattle
 * Tacoma
 * Bellingham
 * Seattle
 * Tacoma

Family Search Historical Records

 * Washington, Western District, Naturalization Records, 1853-1957

National Archives Publication
 * M1232 Indexes to Naturalization Petition to the U.S.District Court for the Western Washington, Northern Division (Seattle), 1890-1952. 6 rolls. DP.