Wikipedia is your friends for listing famines etc... 1740-1741 (Great Irish Famine ) http://en.wikipedia.org/wiki/Irish_Famine_%281740%E2%80%931741%29 1845-1852 (An Gorta Mór) http://en.wikipedia.org/wiki/The_Great_Hunger 1879 (An Gorta Beag) http://en.wikipedia.org/wiki/Irish_Famine_%281879%29