So far as I can tell, they aren't there.  Several people have said at various times that they have heard them, but nobody here has ever managed to come up with the goods.  Neither can I, but you might like to have a look at the entry at  The Fiddler's Companion, which at least gives further background information and some useful alternate spellings:  COOLUN/COOLIN, THE (An Chuilfhionn)  (AKA- "An Cuilfion Le Atrugad," "An Cuilrionn," "The Coulin," "The Coolin," "Cuilin.")

Malcolm