Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.iaci-usa.org/
Description:
Founded in 1962, the Irish American Cultural Institute (IACI) is the leading Irish American cultural organization. The IACI is a federally recognized 501 (c)(3) not-for-profit national organization devoted to promoting an intelligent appreciation of Ireland and the role and contributions of the Irish in America.