I hope I don't have to tell you how well that lack of confusion thing worked out.
But, along the way, there were a handful of other suggestions for names, including (you guessed it) Cascadia. Our territorial representative, Thomas Brents, suggested in 1885 that a new name accompany the territory when it gained statehood:
Brents was a bit early in his urging for statehood, and he also suggested that we bring in the northern part of Idaho along with the rest of the state. This was an obvious suggestion by the Walla Wallan Brents, as it would have tipped the balance of power in the new State of Cascadia to the east (given Idaho's mining industry and eastern Washington's agriculture).
Cascadia, in allusion to its many grand waterfalls and to the name of its principal range of mountains, the cascades (sic).