Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.nli.ie/en/homepage.aspx
Description:
For the period before 1864, parish records provide the only record of most baptisms, marriages and burials. Catholic parish registers are normally still held by the parish priest, but there are microfilms of many of them for the period up to 1880 in the National Library of Ireland.
