Can you change your name on a Vermont driver's license using a same-sex marriage certificate?

Yes. A certificate of marriage, regardless of where it was issued, is sufficient proof of legal change of name for a Vermont driver's license. The gender of your spouse is irrelevant.
Yes. A certificate of marriage, regardless of where it was issued, is sufficient proof of legal change of name for a Vermont driver's license. The gender of your spouse is irrelevant.