Difference between revisions of "Washington County, Oregon Genealogy"

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*[http://www.usgwarchives.org/or/washington/washingtontoc.htm USGenWeb Archives] backup site  
*[http://www.usgwarchives.org/or/washington/washingtontoc.htm USGenWeb Archives] backup site  
*[http://www.familysearch.org/eng/library/fhlcatalog/supermainframeset.asp?display=localitydetails&subject=207242 FamilySearch Family History Library Catalog]
*{{FHL|207242|subject-id|disp=FamilySearch Family History Library Catalog}}
== References  ==
== References  ==

Revision as of 06:48, 7 January 2011

United States Gotoarrow.png Oregon Gotoarrow.png Washington County

County Courthouse


155 N. First Avenue, Suite 300
Hillsboro, OR 97124
(503) 846-8685

  • Records Held at the Courthouse

County Records Inventory listing the records held at the Washington County Court House as of October 2005.

  • Record Loss:

Quick Facts

Wikipedia has more about this subject: Washington County, Oregon

3 September 1849: Washington county was renamed from Twality County. Named for George Washington, the first president of the United States. [1]

Boundary Changes

16 January 1854: Columbia County set off.

22 December 1854: Multnomah County set off.

Places / Localities

Populated Places

Please do not format these pages unless you have contents to add to them.

Banks | Beaverton | Cornelius | Durham | Forest Grove | Gaston | Hillsboro | King City | Lake Oswego | North Plains | Portland | Rivergrove | Sherwood | Tigard | Tualatin | Wilsonville

Please do not format these pages unless you have contents to add to them.

Neighboring Counties

Clackamas | Clatsop | Columbia | Multnomah | Tillamook | Yamhill


Archives and Libraries


Cemeteries (Rural)

For cemeteries very nar or within the cities or communities, please see these places.


  • 1845 Territorial Transcription and Index (under name of Tuality, Twalatain and Twality County)
  • 1849 Territorial Transcription and Index (under name of Twality County)
  • 1850 Territorial Transcription and Index
  • 1853 Territorial Transcription and Index
  • 1856 Territorial Transcription and Index

Church History and Records

Court Records



Land and Property


Military History and Records


Probate Records


Beaverton School District


Vital Records

Societies, Libraries and Museums



  1. WorldCat 50140092FHL Collection Handybook for Genealogists: United States of America, 10th ed.] (Draper, Utah: Everton Pub., 2002)