This is thoroughly answered here. Similarly one may ask, how do I go about changing my last name after marriage?
How to Change Your Last Name After the Wedding
Subsequently, question is, how long do you have to change your name after you get married? There is no time limit on changing your name. Many states would like you to inform them of your name change within 30 days of your marriage, but will allow you to change your name after that.
Keeping this in view, how do you change your name legally in Indiana?
A marriage certificate, divorce decree, or court order legally changes your name. But you'll need an updated Social Security card, driver's license, and other identification to make good use of it. Start by contacting your local Social Security office.
How much does it cost to change your name in Indiana?
To file your petition you will need to pay a filing fee. As an example, the current filing fee in Marion County is $156. To find out the filing fee in your county, contact the Clerk of Court in your county.