If you don't know what your Google Account name is, simply sign in to your primary Gmail account. And hover your mouse over your profile picture. In this example, you can see that my Google Account name is John Mailmeteor. And my username is john.mailmeteor@gmail.com.

Go to your Google Account. On the left, click Personal info. Scroll to "Your profiles." Then, click See profiles. Select a service to view your profile info.

If you've forgotten your Google Account password, you can try to recover it through the Google website. On your phone or computer web browser, go to www.google.com/accounts/recovery. Follow the instructions on the screen to reset your password.

Open the Cloud Search app or go to cloudsearch.google.com in your mobile browser. Search for a person by name. Tap the person's name in the result card.