There are five basic sources for genealogical research in Ireland, and they will get you back two hundred years.
For the majority of Irish people that is as far back as they will be able to go.
The five records are :
Primary Valuation of Tenements
Tithe Composition and Applotment Books
This repository, its location, opening times, accessibility etc., and the genealogical records therein are considered elsewhere, and may be liked to from the homepage of this site.
This repository, its location, opening times, accessibility etc., and the genealogical records therein are considered elsewhere, and may be liked to from the homepage of this site.
This repository, its location, opening times, accessibility etc., and the genealogical records therein are considered elsewhere, and may be liked to from the homepage of this site.
Office of the Registrar-General, Dublin
This repository, its location, opening times, accessibility etc., and the genealogical records therein are considered elsewhere, and may be liked to from the homepage of this site.
Office of the Registrar-General, Belfast
This repository, its location, opening times, accessibility etc., and the genealogical records therein are considered elsewhere, and may be liked to from the homepage of this site.
Good luck