Yes, you will need to log into the same account that was used last year. If you used our Federal Free product you will need to purchase PLUS benefits to retrieve that information (PLUS benefits must be purchased yearly in order to receive benefits) or you can go to https://www.irs.gov/individuals/get-transcript.
If you believe there are more than one account, you may want to try the account recovery process:
https://myturbotax.intuit.com/account-recovery/