Restricted Dog Breeds in Ireland (taken from - http://www.ispca.ie/Restricted-Dog-Breeds.aspx)
The Control of Dogs Regulations 1998 specify 10 breeds which need strict control.
Every other strain or cross-breed of these dogs are also covered.
These dogs must be securely muzzled and kept on a dog chain or leash. not more than 2m long, in a public place and supervised by someone aged over 16 years who is capable of controlling the dog.
As far as I know, and from general observation (being a great dog-lover and admirer), the most common dogs in Ireland are Labradors, Golden Retrievers, Cocker Spaniels, Collies, Springer Spaniels, Terriers (especially West-Highland, Jack Russels and Yorkshires), Beagles, beautiful mutts and probably a few more that I'm forgetting. Irish people generally love their dogs, and probably every breed exists in Ireland whether common in numbers or not. Also, the Kerry Blue is not the national dog of Ireland, I'm not even sure if such a thing exists, but if it does, then the national dog of Ireland would definitely be the Irish Wolfhound.
There is no town that could be said to be the most popular in Ireland.
Scottish Folds are intelligent, sweet-tempered, cat associations and a place in the U.S. cat fancy's top ten most popular breeds.
the second most popular color in ireland is blue
The JKennedys from Ireland are their most famous clan
the most popular one in new york is the havanese.
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
Dublin.
Murphy
The most popular breed in america is the American Quarter horse, followed my The American Paint horse, and other breeds such as the Appaloosa, Morgon, Arabian, and thorughbred.
The GSD is one of the very most popular breeds in UK and America.
I think they would be Labradors.