In the US marrying girls is against the law. If what you meant to ask is if people can marry people of different financial status, there is no rule against marrying outside of one's economic “class”.
Is it OK to marry for money?
Mutual love and respect are correlated to relationships being happier, stronger, and lasting longer. So, a marriage for money without love and respect may be less likely to result in a happy couple or two happy individuals. So, while wealth does not guarantee happiness, having some assets may help marriages.2 Nov 2021
MillionaireMatch is perhaps the best-known of all the dating sites. It has a luxury feel to it. It's for both men and women seeking millionaire singles. The site claims that many celebrities and rich people really have used the site to make successful matches.2 Aug 2021