 However, according to William Bright, the name comes from the Quinault word meaning simply "large stream".The indigenous inhabitants of the area were members of the Quinault tribe along the coast north of Grays Harbor and the Upper and Lower Chehalis tribes of the lower Chehalis River drainage.Other groups included the Copalis, Wynoochee, and Humptulips subtribes of the Upper Chehalis subtribe, and the Satsop subtribe of the Lower Chehalis.