Original: The name Tillamook is a Chinook term meaning "people of Nekelim (or Nehalem)" and is also spelled Calamox, Gillamooks and Killamook Language The Tillamook initially spoke Tillamook, a Salish language, but gradually began to use English in greater amounts.
Simplified: The word "Tillamook" means "people of Nekelim" in the Chinook language and it can also be spelled Calamox, Gillamooks, and Killamook.