I turned 18 in July of 2018 would the social security money that was received before july technically be mine or my mother's?

[CarolynM · Accepted solution]

It was always yours, not taxable income to your mother.

[haydeng7]

Thank you

[fanfare]

Since you were a minor, your parent had custodial care of you and custodial access to those funds, for your need and benefit.