Laws regarding first-cousin marriage in the United States As of February 2014, 24 U.S. states prohibit marriages between first cousins, 19 U.S. states allow marriages between first cousins, and 7 U.S. states allow only some marriages between first cousins. Six states prohibit first-cousin-once-removed marriages.

Is it okay to have a relationship with your cousin?

For example, many cultures encourage first cousin marriage to strengthen familial relationships. In the United States, second cousins are legally allowed to marry in every state. However, marriage between first cousins is legal in only about half of the American states.

Are you allowed to marry a cousin?

Depending on your culture, cousins marrying cousins will either be a normal occurrence or something hugely taboo. Here in Britain its actually perfectly legal for first cousins to marry. Prince Philip and The Queen are even third cousins. Charles Darwin was also married to his first cousin Emma Wedgwood.