List of Famous people with last name Fergusa
Máel Dúin mac Fergusa
Máel Dúin mac Fergusa was King of South Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Fergus mac Fogartaig, a previous king of South Brega, and grandson of the high-king Fogartach mac Néill. He ruled from 778 to 785.
Ailill mac Fergusa
Ailill mac Fergusa was King of South Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Fergus mac Fogartaig and brother of Máel Dúin mac Fergusa, previous kings. he ruled from 797 to 800.
Cernach mac Fergusa
Cernach mac Fergusa was a King of in South Brega of the Uí Chernaig sept of Lagore of the Síl nÁedo Sláine branch of the Southern Uí Néill. He was the son of Fergus mac Fogartaig and brother of Máel Dúin mac Fergusa and Ailill mac Fergusa, previous kings.