Follow these tips to ensure that you don’t miss any of the important steps to changing your last name after the wedding:

Order Copies Of Certified Marriage License:
The marriage license typically takes about two weeks to be returned and recorded. You will then be able to order a few certified copies of your marriage license, which you will need to present with every name-changing activity. 

Driver's License:
Visit the website for your state’s Department Of Motor Vehicles to determine what information is needed in order to process your name change on your license. You will typically need to visit your local DMV and provide your license, certified marriage license, proof of insurance, and pay a fee for the name-change service.

Social Security Card:
Visit your local Social Security office to change your name on your Social Security Card. Details on what is needed to change your name can be found at the link below:
LINK: http://ssa-custhelp.ssa.gov/app/answers/detail/a_id/315

Employment Records:
Contact your employer’s Human Resource department to inform them of your name change.

Financial Institutions:
Contact your banks, credit card companies, and other important institutions to process the name change.  

Passport:
Change your last name on your Passport. Details on what is needed to change your name can be found at the link below:
LINK: www.travel.state.gov/passport/correcting/ChangeName/ChangeName_851.html