Is there a way to find out if my grandmother started an account in my name when I was a baby?

Overview

Hi! Not sure if this is the right sub to be asking but I could really use some advice My mom told me that my grandmother started an account for me when I was a baby. She told me my college would be paid for my whole life. Her mother (my grandmother) died and We moved states when I was around 10. When the time for college came my mom said she lost the bank information? Which to me sounds weird because if it’s in my name I should be able to access it. Wondering if there is any way I can search to

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