A subcircular enclosure, roughly forty metres across on its north-to-south axis, was recorded on both the first and second editions of the Ordnance Survey six-inch maps, those meticulous nineteenth-century surveys that captured field boundaries, earthworks, and ancient features across the Irish landscape at a time when many were still visible above ground. Today, no surface trace survives.

Enclosures of this kind, roughly circular or oval ringworks defined by an earthen bank and ditch, are among the most common prehistoric and early medieval monument types in Ireland, though their precise dates and functions vary enormously. Some were farmsteads, some were ceremonial, and many remain difficult to interpret without excavation. The Ballygally example was noted as recently as 1947 in a reference attributed to Killanin, suggesting it was at least known to local antiquarians into the mid-twentieth century, even if nothing of it remained visible by then. Its disappearance from the landscape is not unusual; centuries of ploughing, drainage works, and land improvement have erased thousands of similar features across the country, leaving only the cartographic record as evidence that something was once there.