The Clans & Tribes of Ireland fought each other for territory in fierce battles and they fought invaders with all their might.
“If your surname is McCarthy, O’Riordan, Twomey or Kelleher and your forebears came from the Lee Valley then they were probably a bloodthirsty bunch involved in ethnic cleansing in the 14th century” Read the full article by Sean O’Riordan – Irish Examiner.
As the clans were broken their power diminished, the ‘Flight of the Earls’ in 1607 rang a death knell for that period of Irish history.
Map of The Clan Territories of Ireland
This is a small version of an excellent map by Irish Origenes, click on the map for more detail and clan names