Get a certified copy of your marriage certificate
Update your Social Security card first, if applicable
Update your driver’s license or state ID
Update your passport
Notify your employer
Update your bank and credit card accounts
Update your insurance policies
Update your voter registration
Update your utility and service accounts
Update your lease or mortgage records
Update your tax records
Update your professional licenses and memberships
Update your email and online accounts
Use your new name consistently on all documents and records