Alsea, Benton County, Oregon Genealogy
The name Alseya Settlement appears on the Surveyor General's map of 1855. This is earliest appearance of the name for the place. The center of the settlement is a little to the west of the present community. The post office was not established until July 1871, with Thomas Russell postmaster. For the origin of the name, see Alsea River.
Oregon Geographic Names FHLC