Simply fill out the "To:" section with your child's name and address. For the "From:", add Santa's name and North Pole.Writing to Santa ; Share Your Details. Include first name, last name, full return address, and your holiday wishes ; Send It to Santa. Write a personalized response to the child's letter and sign it "From Santa. " Insert both letters into an envelope, and address it to the child. Christmas is a special time of year for a child, a letter from. Santa is a cherished memory. Fill Out the Request Form: Simply complete the form ⤵️ to ensure Santa has all the details he needs to make the letter truly special. 1. Address the letter to the specific child.