The failure of the Bruce invasion did not check the recovery of the Irish, which had already begun. On the contrary, the recovery became more pronounced and the clans stronger.
The devastation of war, famine, and pestilence had brought the whole
island to ruin, and in this were involved the two races and all classes. But the settlers, being less deeply rooted in the soil, were more affected, and they gave way. The Crown of England had proved itself powerless, and unable to give that external aid which alone could have supported them in the country. Their leaders were at deadly feud. So, indeed, were the Irish families, also, but the native clans retained their natural strength, and the foreign element yielded before them. Many of the settlers returned to England ; many others became absorbed in, or were subdued by, the Irish clans. The century after the invasion witnessed the steady advance of the Irish in all parts of the country.
 He  was afterwards instrumental in the deposition and murder of Edward II and was subsequently hung at Tyburn.

Above: Prince Lionel and King Edward

The antagonism between the early settlers and the ” new English ” was in evidence as early as the time of the visit of Prince John and his arrogant courtiers. But the distinction between the ” English by descent ” and the ” English by birth ” was first officially ratified by the decree of 1341.

Above : O’Neills Family Logo

Effects of the Invasion.—The failure of the Bruce invasion did not check the recovery of the Irish, which had already begun. On the contrary, the recovery became more pronounced and the clans stronger. The devastation of war, famine, and pestilence had brought the whole island to ruin, and in this were involved the two races and all classes. But the settlers, being less deeply rooted in the soil, were more affected, and they gave way. The Crown of England had proved itself powerless, and unable to give that external aid which alone could have supported them in the country. Their leaders were at deadly feud. So, indeed, were the Irish families, also, but the native clans retained their natural strength, and the foreign element yielded before them. Many of the settlers returned to England ; many others became absorbed in, or were subdued by, the Irish clans. The century after the invasion witnessed the steady advance of the Irish in all parts of the country.