Thornberry is a former community in Sherman County, Oregon, United States, founded in 1916.

[1] Formerly known as Grebe, Thornberry was named for Harvey B. Thornberry, who became the second postmaster in January 1919.

[1] The town post office was officially closed in November 1923.

[1] Thornberry is contemporarily considered a ghost town.

This United States ghost town-related article is a stub.