Just noticed this thread, and though the link is still active, the Mayo page only gives you an option to search. Using variations on place name, people's names and "letters" got lots of suggestions, none of which took me to the letters.

I have been fond of this song since I first heard Robbie O'Connell, Mick Maloney and Jimmy Keane perform it, back in the 1980s. It resonated with me because of some letters that existed in my family, once read, but now lost, as my aunt gave them to someone doing geneology research. She never kept the contact, and they never shared anything in return.

Would love to read these.

Joanne in Cleveland