2nd century in Ireland

Events from the 2nd century in Ireland.

100s

 * 106
 * Battle of Moin An Chatha, in Magh Line, Dal Araidhe

140s

 * 140
 * Greek astronomer and cartographer Ptolemy provided the earliest known reference to human habitation in the area now known as Dublin. In around 140 he referred to a settlement he called Eblana Civitas

150s

 * 157
 * Battle of Tuath Amrois