Tallaght Castle

Three years after the death of St Maelruan in 792, Vikings landed in Ireland and began by sacking the monastery of Lambay. They continued pillaging and burning their way through the rest of the island, eventually reaching Tallaght in 811. The last mention of Saint Maelruan’s monastery is in 1125, and in 1179 Saint Laurence O’Toole, the last Irishman to be Archbishop of Dublin before the Reform...