The lyrics to "Clare Island in Mayo" were written by Clare Island native Patrick Flynn who emigrated to the USA in the early 1900s. The song can be found on the CD "Clare Island in Mayo" which is currently available on ebay. Below is a direct link:

http://cgi.ebay.co.uk/CLARE-ISLAND-MAYO-CD-Billy-Gallagher-and-Family-/140504278911?pt=UK_CDsDVDs_CDs_CDs_GL&hash=item20b6b5277f

Hope this helps.

Dick Clark
UK