You likely won't be able to purchase a money order with a credit card. Steps to fill out a money order. 1.Follow these five simple steps for filling out a money order: Fill in the recipient's name. Write your address in the purchaser section. Simply bring the money order and a valid form of ID to one of our locations in the Chicago suburbs. Please note, there is a convenience fee for every credit card transaction. Know how and who you'll pay: Be prepared with cash or a debit card, the name of the payee and the amount you want to send. You know, there's a line that says pay to their. Fill in the payee's name. A mix of money orders, checks, and credit card authorizations together for multiple applications, petitions, or requests.