Greetings! I appreciate you taking the time to reach out to us here on the forums. I hope you are having an amazing day. I apologize to hear your husband's name is your email address. I certainly understand wanting to have your own email address. The user name is your email address. In order to change it, you should be able to follow these steps in the link: https://www.xfinity.com/support/articles/how-to-change-your-username
If you find yourself still having issues feel free to send me a PM with your first and last name so I may further assist you. To send a private message, please click my name "ComcastMichael" then select "Send a Message" on the right side.
Hello, dizzyG. I have not heard back from you and hope you were able to get the issue resolved. If you still need assistance, please feel free to start a new public thread.