Should Canadian Be Capitalized?

As a general rule, capitalize an adjective derived from a proper noun or a name used adjectivally: Canadian whisky. Digby chicken. Franciscan friar.

Is Canadian a proper noun?

A country in North America; official name: Canada. Lower Canada or Upper Canada, often "the Canadas".

Should French Canadian be capitalized?

Nationalities and languages are not capitalized (unless they are proper nouns): French and le français, Spanish and l'espagnol. “I have a French friend” would become j'ai un ami français.