I dont think any of them have been repealed yet by a popular vote, though.
Closest I can think of is Minnesota, where the voters declined to strengthen their ban. Not exactly the same thing, but a troubling step in the wrong direction.
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No. Minnesota passed a Defense of Marriage Act in 1997. Although Minnesota is a mostly solid blue state, the 2010 elections gave the Republicans control of the governor’s office and both the House and Senate. The Republicans wanted to strengthen the prohibition against same-sex marriages and passed a constitutional amendment prohibiting it. That amendment was on the 2012 ballot. The people of Minnesota not only rejected that amendment by 52.6%, they also voted in a Democratic governor, a Democratic House, and a Democratic Senate. In May 2013, the now Democratic Legislature passed a bill allowing same-sex marriages, and the Minnesota governor signed it.
That’s what I said (or meant to say, at any rate).
Gay marriage was prohibited by law in Minnesota. The voters had a chance to make that ban far stronger, but voted not to, and then the ban was repealed because they hadn’t.
Not exactly the same as a direct repeal of a constitutional amendment, as I said, but the closest I could think of.