Apart from changing your single status to a Mrs. you might also consider taking your spouse's last name! Changing your name is no walk in the park, hence, I thought I would give you a list of some of the places to get you started...
1. Change of Name on Social Security Card. For this you will require the following items:
a. Your marriage license b. Completed form SS-5 available at ssn.gov website c. State ID or some form of identification confirming your current name
2. Drivers License and Insurance information 3. Payroll information, 401K/ IRA/any other investments 4. Bank Accounts [you may be required to go in-person depending upon your bank, and present your Marriage license] 5. Credit Cards 6. Passport 7. Utility and other bills