Ireland, a country that consists of 80% of the island of the same name and 20% of Northern Ireland is a country that has a lot to offer. Saint Patrick's Day, U2, Riverdance, Pierce Brosnan, Dublin, Colin Farell, cliff coasts, Oscar Wilde, ... Ireland has it all.
Reasons enough to add a .ie name to your list of domain names.
Extra information for: .ie
If the owner doesn't have an address in Ireland, than substantial trade or commercial activity within Ireland has to be proven.