Sometimes names appear in Gmail as "[Internet ID] University of Minnesota" or "Unknown" rather than the usual "[First Name] [Last Name]."
Note: Non-alphabetic characters other than - can cause display problems.
You can suppress all of your information from the public view of the University's (and thereby also Google's) Directory. To make your email address appear correctly in Google, you will need to disable directory suppression. Instructions for this may be found at http://onestop.umn.edu/howto/directory.html.
Names can be incorrect in your inbox settings. To check this, go to Settings in your inbox, then the Accounts tab. You can check your name under Send mail as: