Take a looksee here: http://named.publicprofiler.org/ Good luck to any Jones' out there, we're all trying to keep up with you...
In fairness, not many people just go with a letter as a surname. It's just you, Mr T, Maccy D, Mel B & Mel C.
Mine is only common in Kirkcaldy....Fucking Kirkcaldy.. If I'm to have a Scottish name at least put a Mc in front of it, break the news to me gently.
Mine is pretty common in England, not so much in Wales, although the last 4 generations have been born there. Don't know how to post the map though