Interesting to look at all the different French Canadian/Quebecois ethnic origin responses(and combinations thereof) in the 2021 census:
French 3,985,945
Quebecois 981,635
French Canadian 906,315
Acadian 305,170
Canadian, French mother tongue 2,449,365
French and Canadian 139,690
Canadian and Quebecois 76,890
French and Quebecois 65,190
French and Acadian 64,320
French and French Canadian 33,660
Canadian and French Canadian 31,685
Quebecois and French Canadian 24,600
Canadian and Acadian 22,690
French Canadian and Acadian 13,590
Quebecois and Acadian 13,530
https://www12.statcan.gc.ca/census-recensement/2021/dp-pd/sip/index.cfm?Lang=E