Certainly the Uí Ímair, an enormous dynasty, were once survived by a number of Gaelic families, or in their own right in Ireland, but the combination of the Norman invasion of Ireland and later Tudor conquest destroyed the vast majority of the medieval Norse-Irish and Gaelic aristocracy alike.
From his daughter Máel Muire the FitzPatricks of Ossory are descendants of Gofraid mac Arailt, probable grandson of Sitric Cáech, King of Dublin.