Actually, people are better off without a marriage license. Yep, you read that correctly!
It is better, safer and legal as all get-out to have your marriage performed with two witnesses, someone to marry you, and have a marriage certificate filled out. This means your children will not be automatic assets of the U.S. Corporation when the birth certificate is signed. In fact, they will be U.S. citizens not US Citizens. You can learn all the idiosyncrasies of the Constitution and other legals by doing a search. The capital letters and little letters mean and control a whole lot of things that many of us are not aware of.