Visit the nearest post office or county clerk's office to fill out the proper paperwork for obtaining a passport. The child and all legal guardians must be present.
Fill out the application form DS-11. You may want to get a copy and complete it in advance to save time.
Prove that the child is a United States citizen. You can do this with a birth certificate, expired passport, report of birth abroad, certificate of birth abroad or a certificate of citizenship and naturalization.
Prove that you are the parent(s) of the child. You can do this with a birth certificate, foreign birth certificate, certificate of birth abroad, court order establishing guardianship, court order establishing custody or an adoption decree.
Prove your identity with a driver's license, passport or identification card.
Provide two standard 2x2 inch passport photos of the child. You can have these taken at any number of drug or grocery stores.
Pay the $85 passport fee.
Wait 4-6 weeks to receive the passport.