How do I change my name's appearance on emails I send?

Gmail mobile app and web interface

1. Click the gear icon in your inbox.
2. Click "Settings."
3. Click the "Accounts" tab.
4. Click "edit info" on the right side of the "Send mail as" section, across from your email address.
5. Change your information as desired.
6. Click "Save changes."

iOS Mail

1. Go to Settings.
2. Tap Accounts and Passwords.
3. Tap the account you want to change.
4. Tap "Account."
5. Edit the Name entry.