St. Fillan is counted as an intercessor for persons with mental illness. Born in Ireland, he and a number of members of his family moved to Scotland. In Strathfillin, he built a church. Later he became a hermit, devoting himself to prayer, living in a cave at Pittenween near Fife.
http://www.simegen.com/writers/nessie/stones.htm (a very interesting site, with pictures, entitled Nessie’s Grotto (referring to the Loch Ness monster); there is some elaboration on stories that are probably legendary.
Source of Picture: http://www.sbceo.k12.ca.us/~vms/carlton/EnglishReading/ccbjan.html