Multnomah County, Oregon Genealogy Guide

Multnomah County, Oregon (Map It) was created on December 22, 1854 from the eastern portion of Washington County and the northern part of Clackamas County. The county was named for the Indian village of Multnomah, on Sauvie Island. The word is derived from nematlnomaq, probably meaning downriver. Lewis and Clark made note of the name in 1805, and applied that name to all local Indians. . Learn More About State of Oregon History.

Multnomah County is bordered by Clark County, Washington (north), Skamania County, Washington (northeast), Hood River County (east), Clackamas County (south), Washington County (west), Columbia County (northwest).

Multnomah County Cities and Towns include Fairview, Gresham, Lake Oswego , Maywood Park, Portland, Troutdale, Wood Village. A Map of Multnomah County, Oregon contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.

Multnomah County, Oregon Courthouse Records

Multnomah County, Oregon Courthouse
Multnomah County, OR Courthouse

The Multnomah County Courthouse is located in Portland, Oregon. Learn More About State of Oregon Court, Tax, Land and Probate Records.

Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes.  The Clerk's Office DOES NOT DO RESEARCH.  The documents are available to interested parties, barring confidential issues.  Most staff will assist people in finding the materials, but it is up to the individual to do the research.

The following dates indicates what vital, land, probate, and court records are in Multnomah county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

  • Multnomah County Clerk has Marriage Records from 1855 and Land Records from 1849. The County Clerk has many duties which include vital statistics (births, deaths, marriage) and keeps a permanent public record of real estate transactions.
  • Multnomah County Circuit Court Clerk has Court Records from 1850 and Probate Records from 1849. The County Circuit Court Clerk has general jurisdiction over all civil and criminal cases, and typically handle cases beyond the jurisdiction of other courts. Circuit Courts also handle divorce, child custody, disputes over title to land, probate matters, juvenile cases, guardianship, adoption, involuntary commitment, and requests for injunctions.
  • Multnomah County Records Inventory The Oregon Historical County Records Guide includes descriptions and listings for each type of record in the inventory. Each series description includes a title and a description of how the records are used (function); types of records that may be included in each category (physical content); type of information that may be found (informational content)

Multnomah County, Oregon Census Records

Multnomah County, Oregon Vital Records

Multnomah County, Oregon Resources

Multnomah County, Oregon External Links