Some US authorities ask for certified Consulate copies of passports and other Irish documents. You can find information about how to get these here.
If you require a certified copy of your Irish passport, an Irish civil certificate, or other Irish official document, please telephone the Consulate at +1-212-319-2555 to make an appointment.
The fee for each certified copy is $45.00, payable by money order or certified check. Personal checks or cash cannot be accepted.
If you need an Irish civil certificate (birth, marriage or death), these can can be ordered online.