When you prepare your tax return you should use the name that matches your current Social Security card when you enter your personal information in MY INFO.
As for your online account:
UPDATE MY ACCOUNT
https://ttlc.intuit.com/community/account-updates/help/how-do-i-update-my-turbotax-account-informati...
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
