Looks like the 1921 Census of Canada is now available and online for the first time ever today! Click here to being browsing. It does not yet appear to be indexed, but browsing by location is possible.
I've got lots of my wife's relatives to search for plus a few of my own that migrated northward. What about you? Let me know here who you find!
It's a happy day! Life is short, do genealogy first!