Multnomah County, Oregon GenealogyEdit This Page

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United States Gotoarrow.png Oregon Gotoarrow.png Multnomah County

Guide to Multnomah County Oregon genealogy. Birth records, marriage records, death records, census records, family history, and military records.

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Online Records

Multnomah County, Oregon
Map of Oregon highlighting Multnomah County
Location in the state of Oregon
Map of the U.S. highlighting Oregon
Location of Oregon in the U.S.
Founded December 22, 1854
County Seat Portland
Address Multnomah County Courthouse
1021 SW 4th Avenue
Portland, OR 97204-1123
Phone: 503.248.3511
Multnomah County Website


County Courthouse

County Clerk has divorce, court and land records from 1854 [1]

Multnomah County Information

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Wikipedia has more about this subject: Multnomah County, Oregon

Boundary Changes

22 December 1854: Multnomah county was created from Clackamas and Washington Counties. Named after Native American people first recorded in the journals of the Lewis and Clark Expedition, the Mulknomans, who inhabited the area of Portland, most specifically on Sauvie Island. [2]

Trivia Tidbits

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



Cemeteries (Urbanized area in and near Portland)

Cemeteries (Rural)


  • 1860
  • 1870
  • 1880
  • 1890
  • 1895---State census, lists only names (no age or birthplace). An index is available in the Oregon Historical Records Index, at the Oregon State Archives.
  • 1900
  • 1910
  • 1920
  • 1930

Church Records

  • Records of Central Lutheran Church, Portland, in Evangelical Lutheran Church in America database at ($).

Court Records



Land and Property




Early migration routes to and from Multnomah County, Oregon Genealogy for European and African American settlers included:

Military History and Records


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

Probate Records

Rivers and Waterways

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


Vital Records

The Genealogical Forum of Oregon has placed an index on-line to the following marriage books: (FI$)

Societies, Libraries and Museums

Family History Centers


Multnomah County Oregon Genealogy References

  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Multnomah County, Oregon page 573, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. Handybook for Genealogists: United States of America, 10th ed.; Draper, Utah: Everton Pub., 2002 WorldCat 50140092, FHL Book 973 D27e 2002
  3. Jim Tompkins, "The Oregon Trail 1841-1848 Map VI" in Oregon Trail Landmarks at (accessed 18 July 2011).


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