John Mág Tighearnán, the First, (anglicised John McKiernan) was chief of the McKiernan Clan of Tullyhunco, County Cavan until his death in 1499.
Contents
Chieftainship
On the death of the previous chief, John took the chieftaincy and resided in the castle of Croaghan of the Cups (Irish- Cruachan O'Cúbhrán), besides the modern town of Killeshandra.
In 1495 a relative died
The Annals of Ulster for 1495 state-
Mag Tighernain ‘Ichtarach’, namely, Gormgal, son of Brian Mag Tigernain, died
Death
John died in 1499.
The Annals of Ulster for 1499 state-
Mag Tighernain of Tellach-Dunchadha, namely, John Mag Tighernain, died this year.
References
John Mág Tighearnán Wikipedia(Text) CC BY-SA