At Ballynafagh in County Kildare, a broad west-facing slope holds the memory of something that is no longer there to see. Until around 1985, a curving hedge traced the outline of an early ecclesiastical enclosure, the kind of roughly circular boundary that once defined a sacred precinct around an early Irish church and its graveyard. When the hedge came down during land improvement works, the last physical trace of an enclosure that had endured, in some form, for centuries disappeared with it.

The story of its erasure can be followed, in stages, through the Ordnance Survey's six-inch maps. The first edition, surveyed in 1838, recorded a large sub-circular area of approximately 100 metres in diameter, defined by a curving field boundary and labelled 'Glebe', the term for land historically set aside for the maintenance of a parish clergyman. Within that boundary, in the north-eastern sector, sat a church site and a graveyard. By the time the revised edition was published in 1911, part of the enclosing boundary, from the north-north-east around to the south, had already been removed. What the landowner later recalled as simply 'a hedge' was all that remained, and that too was cleared away in the mid-1980s. No visible surface trace survives today.

What makes the site quietly significant is not what stands there but what the maps and local memory together preserve. Ecclesiastical enclosures of this type, circular or sub-circular boundaries demarcating early Christian foundations, are a recognised feature of the Irish landscape, though many have been absorbed into later field systems or built over entirely. At Ballynafagh, the outline held on long enough to be mapped twice, and someone remembered what it looked like before it vanished.