Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.
Greg, if you're not sure what email address you used to create your Google Account, you can find out by entering possible email addresses at the password-assistance page. You'll receive a message stating either that there are no accounts in our system for your email address, or that we've sent you an email with a link to reset your password.
You can do this at: https://www.google.com/accounts/recovery/forgotusername?hl=en
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Hi, just checking in on your question, do you need any further assistance?