There is no "one great hero" in Ireland. Each region has it's own fables, myths, stories, and therefore their own individual heroes. There are also sporting heroes, cultural heroes, political heroes, revolutionary heroes and many other types of heroes. So different people would have different opinions and there is no one answer.
There is no town that could be said to be the most popular in Ireland.
the second most popular color in ireland is blue
The JKennedys from Ireland are their most famous clan
it is the most popular type of butter in Ireland
the most popular place to go in Ireland is Dublin, as it's the capital =D
their are many popular lego hero factory toys but the most popular would be bulk 3.0 or stringer 3.0
Dublin.
Murphy
Murphy
Irish Stew
Niamh
ireland yay