Possibly the swiftest route to your roots.
Irish genealogy website directory.
"Ireland, a large island of Europe, W of Great Britain, between lon. 6 and 10, 40 W, and lat. 51, 15 and 55, 13 N, 280m. long and 160 broad, and containing 19,436,000 acres divided up into 4 provinces; Ulster N, Leinster E, Munster S, and Connaught to the W, and subdivided into 32 counties." [From The New London Gazetteer (1826)]