I (white kid) grew up on the west coast of the US and played Spades growing up with my family. None of my friends knew Spades, but it seemed like everyone knew

I (white kid) grew up on the west coast of the US and played Spades growing up with my family. None of my friends knew Spades, but it seemed like everyone knew Hearts. My mom grew up on the east coast so I always kinda thought that she brought it with her out west. Had no idea it was cultural in other ways!