Washington County, Oregon Genealogy

United States Oregon  Washington County

County Courthouse
Washington County Courthouse 155 N 1st Avenue Ste 130; Hillsboro, OR 97124-3072 Phone 503.864.8741 Record Section, Assessment & Taxation has marriage, land and military records from 1850. Clerk Circuit Court has divorce and court records from 1896, probate records from 1871 and naturalization records from 1906.


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

Boundary Changes
16 January 1854: Columbia County set off.

22 December 1854: Multnomah County set off.

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

Communities
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Neighboring Counties
Clackamas | Clatsop | Columbia | Multnomah | Tillamook | Yamhill

Trivia Tidbits
Information about localities, too small or too brief to describe in separate pages. Exception to this are Post Offices. &gt; Trivia Tidbits

Cemeteries (Rural)
For cemeteries very nar or within the cities or communities, please see these places.

Census

 * 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

Rivers and Waterways
Details about the rivers and waterways where farms and settlements are often found along them. &gt;&gt; Rivers and Waterways

Vital Records
The Family History Library has copies of some records such as:

Washington County coroner's inquest records 1854-1889

Family History Centers

 * Introduction to LDS Family History Centers
 * Beaverton Oregon Family History Center
 * Beaverton Oregon West Family History Center
 * Cedar Mill Oregon Family History Center (Portland)
 * Hillsboro Oregon Family History Center
 * Tualatin Oregon Family History Center

Websites

 * The Washington County GenWeb Project, part of The ORGenWeb Project
 * Linkpendium
 * USGenWeb Archives
 * USGenWeb Archives backup site