Puget Sound Salish hangs on by a thread, thanks to efforts to preserve it. Unfortunately, when a language dies the ways its speakers experienced the world vanish with it.
A proposal in Vancouver, B.C. could be "the most dramatic statement of urban Indigenous presence in any Canadian city – a new district called Senakw, after the long-displaced village."
There is no easy answer to the question "what did native people call it?" Keep in mind that there were many native groups speaking many languages in sight of the enormous peak, and they had their own names for it.
Seattle’s early white residents prevented the Duwamish people, first signatory of the Point Elliott Treaty, from gaining a reservation in the 1860s because river-valley lands made available by treaty were deemed valuable pathways to coal.