I found this site, where you can download O'Neill's as a PDF. So I did, and then I searched it for 'fairy.' That turned up these:

fairy boy
fairy queen
fairy cobbler
fairy rath (fort)

'Elf' and 'leprechaun' weren't found.

Here's the URL for the site:

http://www.guitarnut.com/folktablature/oneills/index.html