Marriage - Changing your Name after Getting Married

You do not have to get a legal name change to use your spouse's name as your last name.  Instead, you can assume your spouse's name.  Assuming a name is not a legal name change, so it does not change your birth certificate.  Most people assume a name instead of undergoing a legal name change.

Assuming a Spouse´s Name

OR
 
Electing to Change your Name to a Spouse´s Name