FYI, there’s some debate whether Wyeast is really Mt Hood’s original name, or if it even had a common name throughout the region at all: https://www.columbian.com/news/2017/jun/11/anthropologist-dispelling-myths-with-plankhouse-talk/

The doesn’t seem to be any evidence of it prior to the late 19th century via a white author. The guy interviewed here (who’s an athropologist and member of a local tribe) thinks it was probably made up.