y'know, slight derail, why don't we just, split Mario by game?
Them having fuckall canon is acknowledged by Miyamoto, they're more akin to Bugs and Mickey in that regard, currently, the more impressive games feats-wise are getting by consistency bogged down shit like Mario Party. This isn't Marvel or DC or even Sonic, where there is an active attempt to have a cohesive narrative across the games, really.
Default assumption should never be for this kinda shit, "oh everything is canon unless stated otherwise", quite the opposite I feel.