Oh lord almighty, why? At that point it doesn't even make sense with the full name, which has an "ah" sound not "ay". If she was going to just ditch her Polish name and go by something sort of close but not quite, she could've just picked
Gracie. I'm going to go ahead and assume she's very eccentric and did this on purpose, specifically to get that crazy Grazy thing, because otherwise it just doesn't add up for me.
https://www.behindthename.com/pnl/109883