The road that named the village
The Bealach Mór
One of Ireland's five ancient royal highways - the Slighe Dhala - ran through here from west Munster to Tara. The chieftains who built the castle named it after the road: Bealach Mór, the Great Passage. Control the pass, control the traffic. The logic is straightforward; the position is still legible from the tower top. The M7 motorway runs a kilometre or two to the north, performing the same function for a different century.
Lords of Ossory
MacGiollaphadraig
The MacGiollaphadraigs - the name translates roughly as "sons of the servant of Patrick" - were the Gaelic lords of Upper Ossory. They built Ballaghmore around 1480, one of several tower houses controlling the approaches to their territory. The family's Anglicised name is Fitzpatrick, making them one of the few Gaelic Irish dynasties whose "Fitz" prefix came from their own Irish name rather than a Norman title. Cromwellian troops damaged the castle in 1647. The lands passed through various owners. Grace Pym, who bought the ruin in 1990, researched her own genealogy and found she was buying back her ancestors' house.
Gold, a farmer, and a bad ending
The 1836 hoard
Before Grace Pym, the castle had a mid-19th-century chapter worth telling. A man named Ely bought and partially restored the tower in 1836. In the course of the work, he found a hoard of gold on the land. Shortly after the discovery, he was killed by a local farmer. He never lived in the castle. The gold's whereabouts are not recorded.