Teallach Dhunchadha
TEALLACH DHUNCHADHA, household of Dunchadh, son of Maonach, the eighth in descent from Duach Galach, son of Brion, son of Eochaidh Muighmheadhoin, King of Ireland; a branch of the Ui Briuin, which see; the clan-name of the MacKernans; now represented by the barony of Tullyhunco, in the west of Co. Cavan.
Alphabetical Index to Irish Surnames