Washington County, Oregon Genealogy

United States Oregon  Washington County

Guide to Washington County, Oregon ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

County Courthouse
Record Section, Assessment &amp; 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.

For animated maps illustrating Oregon County boundary changes, "Rotating Formation Oregon County Boundary Maps" (1843-1975) may be viewed for free at the MapofUS.org website.

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

Newspapers
Oregon Online Historical Newspapers - identifies historical archived and digitized newspapers available online on both free and pay-to-access websites.

Historic Oregon Newspapers as a division of the Oregon Digital Newspaper Program has digitzied more than 644,000 pages of newspapers throughout Oregon. Dates range from 1846-1922 with selected issues continuing through 1973.

Of particular interest to Washington county researchers:

The Banner-Courier (Beaverton) The Owl (Beaverton) The Argus (Hilsboro) The Hilsboro Argus (Hilsboro) Hilsboro Independent (Hilsboro) Washington County Independent (Hilsboro)

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

See also How to order Oregon Vital Records, order electronically online or download an application for Oregon Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate Application to mail.

Societies, Libraries and Museums
See also a List of Oregon Archives, Libraries, Publications, Historical & Genealogical Societies

Family History Centers

 * Beaverton Oregon Family History Center12288 SW 131st Ave Tigard, OR 97223 United States.
 * Beaverton Oregon West Family History Center
 * Cedar Mill Oregon Family History Center(Portland)14620 NW Oak Hills Dr Beaverton OR 97006 United States
 * Hillsboro Oregon Family History Center
 * Tualatin Oregon Family History Center

Websites

 * Washington County, OR History, Records, Facts and Genealogy
 * Oregon Genealogy Network Community on Google+
 * Oregon Genealogy Network Group on Facebook
 * The Washington County GenWeb Project, part of The ORGenWeb Project
 * Linkpendium
 * USGenWeb Archives
 * USGenWeb Archives backup site