As a child, I read in a book of Irish fairy tales, the story of a princess given her choice of kings and choosing the King of the Tinkers, Jeremy Doone. As I remember he turned out to be an actual monarch with an actual castle.

If you can find a copy of Songs of the Isenfiri, you can find the song a friend of mine wrote about the deserted husband.

If you haven't heard Boiled In Lead's heavy metal version of Gypsy Rover, you really should.