It is not known, now, for what length of time the Tuatha de Danaan had the sway over Ireland, and it is likely it was a long time they had it, but they were put from it at last.

From the sons of Ith, the first of the Gael to get his death in Ireland, there came in the after time Fathadh Canaan, that got the sway over the whole world from the rising to the setting sun, and that took hostages of the streams and the birds and the languages.

It was at Inver Slane, to the north of Leinster, the sons of Gaedhal of the Shining Armour, the Very Gentle, that were called afterwards the Sons of the Gael, made their first attempt to land in Ireland to avenge Ith, one of their race that had come there one time and had met with his death.

Lady Gregory Quotes