Source Information
Ancestry.com. Washington, U.S., County Naturalization Records, 1850-1982 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2014.Original data: Washington, County Naturalization Records, 1850-1982. Salt Lake City, Utah: FamilySearch, 2013.
About Washington, U.S., County Naturalization Records, 1850-1982
This collection includes naturalization records from Washington.
You can learn more about this collection at the FamilySearch website.