The man the village is named for
Saint Munn
Fintan Munnu was a seventh-century monk who left Iona after a falling-out and washed up in Wexford. A local chieftain, Dímma mac Áeda Croin, granted him land here around 597. The chieftain later took holy orders himself and is said to be buried among the monks. Munn died on 21 October 634. The village has carried his name - Teach Munna, the house of Munn - ever since.
St. Munna's
The fortified church
The current ruin went up in the early 15th century as a fortified church - thick walls, defensive tower, the architecture of a country that didn't trust the neighbours. It was plundered by Farrell Mageoghegan in 1452. After the Reformation it passed to the Nugent family and was almost a ruin by 1622. The Church of Ireland brought it back into use by 1755 and restored it heavily in 1843. The Romanesque doorway is older than the rebuilt walls around it.
Both armies, two nights apart
1798
Taghmon sat on the main road from Wexford to New Ross, which made it strategically useful and tactically miserable. On 29 May 1798, General Fawcett - heading from Duncannon fort to reinforce Wexford garrison - quartered 200 men in the village and sent his artillery on ahead overnight. Two nights later, the insurgent army under Bagenal Harvey came through the other way and slept in the same houses. Within a week Harvey would be in command at the disaster of New Ross. Within a month he was dead.