Mary
Well the top baby names in Ireland in 2008 were Jack and Ava.
Murphy
It is not that very popular in the U.S, but there are A LOT of Shannon's in Ireland ( the name Shannon is very popular there)
Murphy
Niamh
holly
This is not too common except in Ireland.
Farming and fishing
Erec Shaun
it would be Amy
England IS the popular name. Along with Scotland, Wales, and a part of Ireland, it is referred to more formally as Great Britain.
Contrary to popular belief, the first people to come to Ireland are thought to have come from Spain by boat and were not Celts.