It's a huge bummer, but only dependents under age 16 qualified. My parents had one dependent child at home who was over 16 and did't get anything for her.

She keeps it- the IRS says there is no penalty or expectation of repayment for being overpaid.https://www.businessinsider.com/personal-finance/stimulus-check-to...

Same issue! We were shorted one dependent born April 2019- we didn't file our 2019 taxes until April 2020 though so I assume they used the info from our 2018 re...