CLACKAMAS COUNTY, OR HISTORY AND LOOKUP

County History Books

*None Listed

Clackamas County, Oregon: A Genealogical Overview

Situated in the heart of northwestern Oregon, Clackamas County is one of the state’s most historically significant regions, stretching from the southern suburbs of Portland to the alpine slopes of Mount Hood. As the location of Oregon City, the first capital of the Oregon Territory and the official end of the Oregon Trail, its history is the story of the state’s founding. For genealogists, the county’s records provide a direct connection to the pioneer families who completed the arduous overland journey and laid the groundwork for American government and society in the Pacific Northwest.

I. County Formation and Evolution

Clackamas County was not formed from a pre-existing county but was instead one of the original districts established by the first American government on the West Coast.

  • 1843: County Formed: Clackamas County was created on July 5, 1843, as one of the four original “districts” (the precursor to counties) established by the Provisional Government of Oregon.
  • Parent County: Its parent jurisdiction was the unorganized Oregon Country. Its original boundaries were immense and vaguely defined, encompassing a vast territory that included parts of modern-day Washington, Idaho, Montana, Wyoming, and the Canadian province of British Columbia.
  • Subsequent Formations: Over the next two decades, the massive territory of the original Clackamas District was partitioned to form all or parts of numerous other counties, including but not limited to:
    • Marion, Wasco, and Multnomah counties in Oregon.
    • Wasco County, formed in 1854, itself became the parent of nearly all of Oregon’s counties east of the Cascade Mountains.
  • Name Origin: The county is named for the Clackamas people, a tribe of the Chinookan linguistic group who lived along the Clackamas River.
  • County Seat History: Oregon City, the first incorporated American city west of the Rocky Mountains, was established as the county seat in 1843 and has remained so. It also served as the capital of the Oregon Provisional Government and was the first capital of the Oregon Territory from 1848 to 1851.

II. Settlement and Early History

  • Early Inhabitants: The region was the traditional homeland of the Clackamas and Molalla peoples. The bountiful Willamette Falls in Oregon City was a major fishing and trading center for tribes from throughout the region.
  • Fur Trade and Early Industry: In 1829, Dr. John McLoughlin of the British Hudson’s Bay Company established the first non-indigenous settlement at Willamette Falls, building lumber and grist mills that marked the beginning of American industry in the Far West.
  • The End of the Oregon Trail: Beginning in the early 1840s, Oregon City became the official terminus of the Oregon Trail. Weary pioneers arrived there to rest, resupply, and, most importantly, file their land claims for settlement in the Willamette Valley.
  • The Donation Land Claim Act of 1850: This critical piece of federal legislation granted large parcels of land to settlers who had arrived in the territory prior to 1850. The records of these claims are one of the most important genealogical resources for the pioneer era and are essential for tracing the first generation of American families in the state.
  • Economic Development: After the pioneer era, the county’s economy was driven by timber, agriculture (particularly fruits, nuts, and nursery stock), paper manufacturing, and hydroelectric power from the falls. Today, it is an economically diverse region, blending urban and suburban centers with rural farming and forest lands.

III. Genealogical Records and Resources

Research in Clackamas County often involves both county and state-level repositories due to its foundational role in Oregon’s history.

  • County Courthouse Complex: Most county records are held in Oregon City.
    • Clackamas County Clerk: Located at the Clackamas County Public Service Building, 1710 Red Soils Ct., Oregon City, OR 97045. This office holds all land records, vital records (marriage, birth, death), and other official county documents.
    • Clackamas County Circuit Court: Located at the Clackamas County Courthouse, 807 Main St., Oregon City, OR 97045. This office holds all judicial records, including probate (wills and estates), divorce, civil, and criminal court files.
  • Vital Records:
    • Birth and Death Records: Statewide registration began in Oregon in 1903. County-level records prior to this are sparse. The Oregon State Archives is the primary source for official state certificates.
    • Marriage Records: The County Clerk holds marriage records from 1848 to the present. Records for the Provisional Government period (1845-1848) are held at the Oregon State Archives.
  • Key Local and State Repositories:
    • Clackamas County Historical Society: Its research library in Oregon City is an essential resource, holding extensive collections of manuscripts, family files, photographs, and local history materials.
    • Genealogical Forum of Oregon: Located in nearby Portland, this is the largest genealogical library in the Pacific Northwest and has vast resources for Clackamas County research.
    • Oregon State Archives: Located in Salem, this repository is indispensable for early research, as it holds the records of the Provisional and Territorial governments, including the Donation Land Claim files and the earliest marriage records.
  • Bordering Jurisdictions:
    • Multnomah County (north)
    • Hood River County (northeast)
    • Wasco County (east)
    • Marion County (south)
    • Yamhill County (west)
    • Washington County (northwest)

Please share any resources you have and will do lookups or links to resources you are aware of. Thanks