Shimbo where have you been? Come and visit. I'll sing you "The Gypsy's Warning" Just for you I will mention that this was the first song to be sung on the telephone! Now that is something!
About Trevelyan he was Cornish surely? Perhaps before he moved to Ireland.
My great-great grandmother was shipped off to Australia in 1850 - as a nursemaid at the age of sixteen - by herself- to escape the famine in Ireland. Her daughter - my great grandmother - married a Cornishman - a poor miner. For all I might say about "The Fields of Athenry" It reminds me about the stories of my ancestors.