This is not a mod with actual voice files of Canadians unfortunately. Rather since the Canadians share the same voice files with the Americans one would hear at time your Canadians speaking with obviously non-Canadian accents such as US Southern or New York. I replace the offending files taking some of the new ones from other sources. Sorry no Francophone Canadians at this time.
https://drive.google.com/open?id=10xpfEcNLGHbqRaSSSULWopapj3t6IxPI