This is one of the biggest site for genealogical sources in Ireland. It has information on the different counties, archives and family history societies. Heaps of links to all sorts of topics on Ireland. Check out the Emigrants Lists.
Some pages are subscritpion only, but there are many which are free links.
Search for people in cemeteries in Ireland. An Electronic History Journal. Co. Down and Co. Armagh. Co. Down and Co. Armagh. Encompassing all of County Monaghan, most of Fermanagh, a large part of Tyrone and small portions of both Louth and Donegal.