Fill in the recipient's name. 1 Check that the money order amount is correct.To fill out a money order you need to first fill out the who the payee is, the purchasers information and sign it. Write your full name and address. This clarifies for the recipient who the money order is from. Fill in the name of the payee. Enter the recipient's name in the "Pay to the Order Of" line. Fill in the recipient's name. Please provide the month, day and year in the date line on the check. Pay to the Order of.