Corrected Card for a U.S. Born Child 
If you legally change your child's name because of adoption, court order or any other reason , you need to tell Social Security so that you can get a corrected card. If your child is working , also tell your child's employer. If you do not tell us when your child's name changes , it may : Delay your tax refund or your child's refund ; and Prevent your child's wages from being posted correctly to your child's Social Security record, which may lower the amount of your child's future Social Security benefits. Important You must present original documents or copies certified by the agency that issued them. We cannot accept photocopies or notarized copies. All documents must be current not expired. We cannot accept a receipt showing you applied for the document. 

What original documents do I need? 
Citizenship If you have not already established your child's U.S. citizenship with us , we need to see proof of U.S. citizenship. We can accept only certain documents as proof of U.S. citizenship. These include a U.S. birth certificate or U.S. passport. Important This documentation is only required if your child hasNOT already established citizenship with us. Name Change If you need to change the name on your child's Social Security card , you must show us proof of your child's legal name change. Documents Social Security may accept to prove your child's legal name change include : Final adoption decree with the new name ; Court order approving the name change ; or Amended birth certificate with the new name. If the document you provide as evidence of your child's legal name change does not give us enough information to identify your child in our records or if you changed your child's name more than four years ago , you must show us an identity document in your child's prior name as shown in our records. We will accept an identity document in your child's old name that has expired. If you do not have an identity document in your child's

user: What documents will I need to get a corrected card for my son?

assistant: The documents you will need will depend on whether your son is a U.S. born citizen or a foreign born citizen.

user: He is a U.S. citizen, but what documents do I need to verify this with Social Security?

assistant: ITo verify your son's citizeship, we will need to see a U.S. birth certificate or an U.S. passport.

user: Will this prove his identity?

assistant: Yes, this will prove your son's identity.

user: What if his citizenship has already been established with Social Security?

assistant: In this case, you would not need documentation.

assistant: Is your reason for obtaining a new card for your son because of a legal name change?

user: No, his name has not changed. 

user: I think his identity has already been verified with Social Security, but if it's not, are there any other documents I can use besides a passport or birth certificate?

assistant: If you do not have these identity documents, we can also accept a state issued ID card or an adoption decree.

user: What if his ID card is in his prior last name? Will it still be accepted?

assistant: Yes, we can accept it as long as it's not expired. If we have issues establishing his identity, we will require further information though.