::::::Correction not relevant to this discussion....well, no it is, by way of further examples of endonyms replacing older "English" terms.  I was wrong about the two peoples named; the Tsuu T'ina are "most people know them as" to use the refrain, the Sarcee; the Blood are the Kainai "now".  Similarly, the people once known simple as "the Lakes" are now the Sinixt; their history is intertwined with that of the Ktunaxa.