Elmonica is an unincorporated community in Washington County, Oregon, United States. The community is named for a station on the old

Oregon Electric Railway The Oregon Electric Railway (OE) was an interurban railroad line in the U.S. state of Oregon that linked Portland to Eugene. Service from Portland to Salem began in January 1908. The Spokane, Portland and Seattle Railway purchased the system in ...

, derived from the names of the daughters of an owner of land along the route. Samuel B. Stoy, a Portland insurance executive, owned property along the proposed OE line and only gave permission for the railroad to go through his property if the company agreed to name the station after his daughters, Eleanor and Monica. After the station was named Elmonica, this then led to the area around the station becoming known as Elmonica as well.

References

Unincorporated communities in Washington County, Oregon Unincorporated communities in Oregon {{WashingtonCountyOR-geo-stub