Try Americana Grocery.
Silk road cafe Chester Beatty excellent. The gardens and sculptures outside of Chester Beatty are lovely,
In regards to Kilkenny... If the weather is on your ...
Think layers, recommend rain jacket hip length, look in charity / non profit shops. try Amazon for gaiters.
I replied to your other thread with Dublin suggest...
Is REI near you?
Dublin is fantastic, link below for the great museums that are free, (closed Mondays).
Chester Beatty Library, (free exhibit...
Posting a few links from the Northern Ireland Forum covering walks / hikes Antrim Coast / Causeway Coastal drive, great info.