Follow these five simple steps for filling out a money order: Fill in the recipient's name. Write your address in the purchaser section.1 Check that the money order amount is correct. Write the name of the recipient. Fill it out: In addition to the payee's name, you'll need to add your name (and maybe your address) and sign the money order. You can probably fix them or at the worst cash the money order. How to fill out a money order properly. There is a pay to line.