Fergal mac Gíolla Íosa Óg Mág Tighearnán (anglicised Fergal McKiernan) was head of the lineage of McKiernan Clan of Tullyhunco, County Cavan from 1512 until his death in 1523.
Fergal mac Gíolla Íosa Óg Mág Tighearnán (anglicised Fergal McKiernan) was head of the lineage of McKiernan Clan of Tullyhunco, County Cavan from 1512 until his death in 1523. (en)
Fergal mac Gíolla Íosa Óg Mág Tighearnán (anglicised Fergal McKiernan) was head of the lineage of McKiernan Clan of Tullyhunco, County Cavan from 1512 until his death in 1523. (en)