Turns out this one is absolutely real, though it's much less funny if you swap the names around.
2.Mr. & Mrs. Best-Lay.
3.Mr. & Mrs. Wang-Holder.
Yep. Seems legit. Though obviously they seem to have decided against the double-barrelled option.
4.Mr. & Mrs. Beaver-Wetter.
5.Mr. & Mrs. Gowen-Getter.
This Google search result seems to suggest this one is real. So he DID Gowen Getter.
6.Mr. & Mrs. Looney-Warde.
Too good to be true? Yes and no. They really got married, but the bride's Facebook page shows that they decided to switch things around. Understandable.
7.Mr. & Mrs. Busch-Rash.
8.Mr. & Mrs. Long-Wiwi.
We found her! Though she has sadly dropped her maiden name :(
9.Mr. & Mrs. Kuntz-Dick.
10.Mr. & Mrs. Fillerup-Standing.
This one HAS to be fake. Right? Wrong!
11.Mr. & Mrs. MacDonald-Berger.
12.Mr. & Mrs. Filler-Quick.
Not only is this one real, but it would seem they actually double-barrelled it. Splendid.
13.Mr. & Mrs. Hardy-Harr.
You couldn't make it up. And you don't have to, according to this news site.
14.Mr. & Mrs. Butts-McCracken.
15.Mr. & Mrs. Partee-Moore.
Turns out this pair Partee(d) pretty hard at their wedding which DID happen.