At the northern end of a graveyard in Blackrath, County Kildare, a church has reduced itself to almost nothing. What survives is a low, grass-covered ridge in the ground, the buried remnant of a west gable wall, running roughly five metres north to south, around two and a half metres wide, and barely rising above ankle height at its tallest point. It is the kind of trace that a casual visitor might walk across without registering it as a structure at all.

The foundation line is all that remains above ground of what was once a functioning church, its precise origins and dedication now obscured by the same gradual processes that reduced the masonry itself. The graveyard it occupies continues to exist as a distinct recorded site, suggesting that the ground retained its significance long after the building that first consecrated it had fallen away. In many parts of rural Ireland, medieval parish churches followed exactly this pattern, their stone robbed out over generations for field walls and farm buildings, leaving only the buried footprint to indicate that something once stood there.