Mainly due to the fact that under the Constitution all states recognize the acts of other states. (IE: Once you have a driver's license in one state, that licensee is honored and respected in the rest of the states.)
Once you're married in a state, the following states recognize that union. Certain states refuse to acknowledge that a same sex marriage is legal.
Yes, same-sex marriages legally performed in Massachusetts are recognized in Iowa.
Yes, same-sex marriages legally performed in Connecticut are recognized in Massachusetts.
Yes, same-sex marriages legally performed in Massachusetts are recognized in Vermont.
Yes, same-sex marriages legally performed in Massachusetts are recognized in Washington, DC.
Yes, same-sex marriages legally performed in New York are recognized in Massachusetts.
Because it had never been done before in the US.
Arkansas does not recognize common law marriages
Yes, out-of-state same-sex marriages are legal under Colorado state law effective October 6, 2014.
Yes. Beginning October 6, 2014, all out-of-state same-sex marriages are valid under Wisconsin state law.
Texas would not recognize the marriage. Texas does not allow same-sex marriages, and the Defense of Marriage Act (federal law) says that states have the right to refuse to recognize same-sex marriages that occurred in other states.
Yes. The Attorney General of Maryland issued an opinion on February 24, 2010 stating that Maryland law can recognize same-sex marriages legally performed in other states. This opinion is binding on Maryland state agencies. Same-sex couples will be able to legally marry in Maryland beginning January 1, 2013.
Yes. Pursuant to Governor Lincoln Chafee's Executive Order (no. 12-02, signed 5/14/12), the state of Rhode Island officially recognizes out-of-state same-sex marriages as legal marriages for the purposes of Rhode Island state law.