Are The Mario RPGs Canon?

With multiple Marios and contradictory evidence abound, we delve headfirst into the confusing canon of the Mario universe once more to answer one question: are the RPGs canon?

Link to seandwalsh's amazing Mario timeline:
https://seandwalsh.tumblr.com/timeline

• #gaming
• #mario
• #mario_rpg
• #mario_canon
• #mario_lore
• #super_mario_rpg
• #paper_mario
• #paper_mario_lore
• #mario_timeline
• #super_mario
• #nintendo_lore
• #backseat_sakurai
• #superstar_saga
• #mario_luigi
• #mario_games
• #mario_review