Jefferson County, Oregon Genealogy

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

Jefferson County, Oregon
Map of Oregon highlighting Jefferson County
Location in the state of Oregon, United States Genealogy
Map of the U.S. highlighting Oregon
Location of Oregon in the U.S.
Founded December 12, 1914
County Seat Madras
Address Jefferson County Courthouse
75 SE C Street
Madras, Or 97741-1709
Phone: 541-475-4451
Jefferson County Website

County Information[edit | edit source]

Description[edit | edit source]

The County was named for Mount Jefferson. The County is located in the north central area of the state. [1]

Jefferson County, Oregon Record Dates[edit | edit source]

Known Beginning Dates for Major County Records[2]
Birth* Marriage Death* Court Land Probate Census
1886 1882 1886 1914 1914 1914 1845
*Statewide registration for births and deaths in 1903. General compliance year unknown.

County Courthouse

[edit | edit source]

County Clerk has marriage, divorce, probate and land records from 1914. [3]

Jefferson County Government

County Records Inventory listing the records held at the Jefferson County Court House as of July 2011.

Jefferson County Court is structured differently. Check the County Records Inventory link for addresses for location of records (left column).

Confederated Tribes of Warm Springs maintain separate government.

  • Culver was the county seat 1914 to 1916
  • Record Loss:

Historical Facts[edit | edit source]

Named for Mount Jefferson, located on west boundary. It was named in turn for Thomas Jefferson, third president of the United States of America by Lewis and Clark Expedition.

Trivia Tidbits: Little biographic bits associated with the names of non-population localities.

Parent County[edit | edit source]

12 Decembr 1914: Created from Crook County. [4]

Boundary Changes[edit | edit source]

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

Record Loss[edit | edit source]

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

Places / Localities[edit | edit source]

Populated Places[edit | edit source]

The following are locations in the county:[5]

For a complete list of populated places, including small neighborhoods and suburbs, visit HomeTown Locator

Unincorporated communities
  • Geneva
  • Grandview
  • Grizzly
  • Opal City
  • Willowdale
Native American communities
Census-designated places
Ghost towns

Trivia Tidbits[edit | edit source]

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

Indian Reservation[edit | edit source]

Warm Springs (Confederated Tribes of Warm Springs)

Neighboring Counties[edit | edit source]

Crook | Deschutes | Linn | Marion | Wasco | Wheeler

Resources[edit | edit source]

Cemeteries[edit | edit source]

Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county Family History Library
ORGenWeb Archives WorldCat Billion Graves
ORGenWeb FamilySearch Places
Tombstone Project
Billion Graves
See Oregon Cemeteries for more information.

Census[edit | edit source]

Historical populations
Census Pop.
1920 3,211
1930 2,291 −28.7%
1940 2,042 −10.9%
1950 5,536 171.1%
1960 7,130 28.8%
1970 8,548 19.9%
1980 11,599 35.7%
1990 13,676 17.9%
2000 19,009 39.0%
2010 21,720 14.3%
Source: "".

Church History and Records[edit | edit source]

List of Churches and Church Parishes

Court Records[edit | edit source]

Gazetteers[edit | edit source]

History[edit | edit source]

Land and Property[edit | edit source]

Maps[edit | edit source]

Marion CountyWasco CountyWheeler CountyCrook CountyDeschutes CountyLinn CountyOR JEFFERSON.PNG
Click a neighboring county
for more resources

Military History and Records[edit | edit source]

Civil War[edit | edit source]

World War I[edit | edit source]

Newspapers[edit | edit source]

Probate Records[edit | edit source]

Online Records

Rivers and Waterways[edit | edit source]

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

Taxation[edit | edit source]

Vital Records[edit | edit source]

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[edit | edit source]

Delayed Birth Certificates

Birth Registers

Marriage Records[edit | edit source]

Death Records[edit | edit source]

Societies, Libraries and Museums[edit | edit source]

Jefferson County Historical Society
PO Box 647
34 SE "D" St
Madras, OR 97741
Telephone: 541-475-5390
Facebook Page

Jeffferson County Library District
241 SE 7th St
Madras, OR 97741
Facebook Page

Jefferson Historical Society & Museum
107 N Main St
Jefferson, Oregon 97352
Facebook Page

Family History Centers[edit | edit source]

Family History Center and Affiliate Library Locator map - search for local Family History Centers or Affiliate Libraries

  • Family History Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a family history center.

Local Centers and Affiliate Libraries

Websites[edit | edit source]

Jefferson County Oregon Genealogy References[edit | edit source]

  1. Wikipedia contributors, "Jefferson, Oregon" in,_Oregon accessed 27 Nov 2018
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Jefferson County, Oregon . Page 572-574 At various libraries (WorldCat); FHL Book 973 D27e 2002; Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 563-564.
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Jefferson County, Oregon page 573, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  4. WorldCat 50140092; FHL Collection Handybook for Genealogists: United States of America, 10th ed.] (Draper, Utah: Everton Pub., 2002)
  5. Wikipedia contributors, "Jefferson County, Oregon," in Wikipedia: the Free Encyclopedia,,_Oregon, accessed 10 November 2018.