Washington County, Oregon Genealogy

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
There is no known history of courthouse disasters in this county.

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

 * Oregon Metro
 * Oregon Genealogy Cemeteries

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

Civil War

 * 1861-1865 - at FamilySearch — 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)

Probate Records
Online Records
 * 1833 – 1963 Oregon Wills and Probate Records 1833-1963 at Ancestry.com — index and images $

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

Birth Records

 * 1860 - 1952 - at FamilySearch — index

Delayed Birth Certificates

Birth Registers

Marriage Records

 * 1) 1826-1975 - Oregon, United States Marriages at FindMyPast — index $
 * 2) Extractions of early marriages are listed on the Western States Marriage Index
 * 3) Marriage Index 1885-1896 Actually is a book of affiants reporting the marriages. Historical Records Collection

Societies, Libraries and Museums
Washington County Historical Society 120 E Main St Hillsboro, OR 97124 Telephone: 503-645-5353 Website

Washington County Historical Society & Museum 17677 NW Springville Rd Portland, OR 97229 Telephone: 503-645-5353 Website

Beaverton Historical Society and History Center 12490 S W First Beaverton, OR 97005 Telephone: 503-430-0160 Website

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