I'm just guessing here, but with a name like Mick McCarthy, it's probably fair to assume there is a decent degree of genuine Irish heritage in there somewhere, regardless of his instantly recognisable Yorkshire accent.
This pleases me enormously too. I'd love to see a McCarthy side turf that self-satisfied tosser right off his perch.
I've worked out why I don't trust Howe, by the way (apart from his insufferably smug media appearances obviously). It's his teeth. They don't ever move when he speaks. Watch...