Umatilla County, Oregon Genealogy
- 1 County Courthouse
- 2 Quick Facts
- 3 Places / Localities
- 4 Neighboring Counties
- 5 Resources
- 6 Genealogy and History Websites
216 SE Fourth Street
Pendleton, Or 97801
- Records Held at the Courthouse
County Records Inventory listing the records held at the Umatilla County Court House as of June 2005.
- Record Loss:
27 September 1862: Umatilla county was created from Wasco County.
Named after the Umatilla River. The name Umatilla is derived from the Native American name for the river, which was first recorded as Youmalolam in the journals of the Lewis and Clark Expedition.
14 October 1864: Grant
16 February 1885: Morrow County set off.
Places / Localities
Umatilla (Confederated Tribes of Umatilla - specifically Sahaptin-speaking Cayuse, Umatilla and Walla Walla tribes)
Trivia Tidbits: Little biographic bits associated with the names of non-population localities.