At Moortown in County Kildare, a graveyard holds the faint memory of a much older, more complex place, one that has been slowly disappearing from view for well over a century. What makes the site quietly strange is how its history exists largely in the gap between what maps once recorded and what now survives on the ground. The first edition Ordnance Survey six-inch map of 1838 shows a large, unenclosed sub-rectangular graveyard, roughly 70 metres north-south and 50 metres east-west, marked out only by a broken line, suggesting its boundaries were already informal or uncertain. By the time revised mapping was produced in 1939 to 1940, the northern portion had been enclosed, while the southern section was shown partially bounded by a bank and given the name Rath Nua, meaning "new fort" in Irish.

That name points to something older underneath. A survey carried out in 1972 identified the site as part of a roughly circular ringfort, a type of enclosed farmstead common across early medieval Ireland, typically defined by an earthen bank and a surrounding ditch called a fosse. This one measured about 29 metres in diameter and was thought to contain traces of a possible church, raising the prospect of an early ecclesiastical enclosure of the kind often associated with pre-Norman Christian communities. By 1986, however, no visible surface trace of either the enclosure or the possible church could be found. What rescued the site from complete obscurity was an aerial photograph that revealed cropmarks, subtle variations in vegetation caused by buried features below the soil, showing the outline of a broad fosse curving south from the modern graveyard wall. A low earthen bank, just 0.6 metres high and 2.4 metres wide, still sits against the outer face of that wall at the south-east, and may be the last physical remnant of the bank recorded in 1972. It is an unassuming feature, easily overlooked, but it marks the edge of something that was already ancient when the cartographers first arrived.