How To Write A Wedding Check . The amount you give will depend on your situation and relationship to the couple. If you write a check after the wedding, you'll need to make sure you use the right. 3 Ways to Write a Check As a Wedding Gift wikiHow from www.wikihow.com If the bride and groom aren't married yet, use the bride's maiden name. “your wedding day will come and go, but may your love forever grow.”. Most people date their checks for the day they write them.