That kind of accidental revelation is not unusual in Irish archaeology, but the location here, close to the tidal margins of a Co. Dublin estuary, gives the site a particular quality: a community buried its dead in a place where the land meets the water, and then the centuries quietly covered it over.

The burials came to light during test excavations carried out as part of the East-West Interconnector Project, an electricity infrastructure scheme, under licence number 11E0235. Within the construction corridor, the cemetery was found to extend approximately 15 metres east to west and 20 metres north to south, and the remains appear to continue beyond the corridor boundary, out towards the estuary itself. Several of the graves were stone-lined, a form of burial in which flat or roughly shaped stones are set around the body to form a cist or box-like enclosure, a type associated with early Christian burial practice in Ireland. Two of the burials showed a north-south alignment rather than the more typical east-west orientation. Radiocarbon dating of one individual returned a date range of 618 to 675 AD, placing this person firmly in the early medieval period, contemporaneous with the age of early Irish monasticism and the first flowering of insular Christian culture. The results were reported by Mullins in 2011.

This is not a site with a visitor trail or an interpretive panel. It was identified within a construction corridor, and much of what lies here remains beneath agricultural or marginal estuary land north of Rogerstown. For anyone with a serious interest, the Rogerstown estuary itself is accessible and well known as a bird reserve, and the broader landscape retains the low, open character that would have defined it in the early medieval period. The significance of this burial ground lies less in what can be seen on the surface, which is nothing, and more in what it suggests: that the communities living around this estuary in the seventh century were burying their dead according to organised, possibly Christian, practice, leaving traces that only a digger's blade, centuries later, would bring back to light.