How do you change your name on Google+?

Open Google+ and select Profile from the drop-down menu in the upper left corner.Click on your name, and enter your preferred name.Click Save in the lower right corner. read more

In some cases, you can use a different email address (username) to identify your Google Account. What this email address is. This email address shows up next to your name and profile photo when you're signed in. To find it, click or tap your profile photo. You can sign in with it. read more

Change the "Nickname" field to what you want to appear in Google Docs; Click "Save" Note: it will take some time for the change to propagate. For me it took about 10 minutes, your mileage may vary. Note2: I have tested this carefully, and this worked for me at the time this was written. read more