www.roostsireland.ie The Irish Family History Foundation (I.F.H.F.), an all Ireland not-for-profit organization, runs the rootsireland.ie site. It oversees the creation of a database of Irish genealogical sources which enables those who wish to trace their Irish ancestry to have access to all the relevant data in one place.
Ever wonder how people come to the conclusion that someone is their third cousin twice removed? Here is a concise description on how that works and a cousin sheet worth printing out, just in case you don't already have a relationship calculator. Here is a link to a relationship calculator: http://www.rootsweb.ancestry.com/~genepool/cousins.htm