Is there an official source for this info somewhere.
This should help you on your way.
http://thomas.loc.gov/
First and foremost, Prohibition comes to mind.
IL used to have a mandatory AIDS test before a couple could apply for a marriage license, but it was revoked after it was found unconstitutional. and that my friends, is why I had to go to Iowa to get married.
In California, Gay Marriage.
@evelyns_pet_zebra – didn’t New York once require people to have a Wasserman test when applying for a marriage licence?
Various racially motivated marriage laws, some age related work laws.