 Toirdhealbhach Ruadh accompanied Niall Ó Domhnaill and Domhnall Ó Néill, when they defeated the English Lord Deputy at Meath in 1423.Though there are contradicting sources that record Mac Suibhne of Connacht present at this battle.In 1434 Niall Ó Domhnaill was captured by the English forces in a skirmish, though Toirdhealbhach Ruadh rescued Ó Domhnaill following the defeat at the English's hands.