Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.burkespeerage.com/
Description:
The definitive guide to the genealogical history of the royal families of Europe, the aristocratic and historical families of the British Isles, and the presidential families of the United States. There are over 1 million names in more than 15,000 records including the royal families of Europe, the peerage and gentry of the United Kingdom, historical families of Ireland, and distinguished and presidential families of the United States, as well as many other prominent individuals.