It is a particular kind of historical disappearance, not dramatic, not marked by fire or flood, but simply absorbed into the ordinary business of building houses on available land. The site belongs to a category of loss that Irish archaeology is quietly familiar with: things that were recorded just in time, and then buried.

The earthwork appears on Duncan's map of 1821, where it is labelled a 'moat', the older spelling of motte, a term referring to a raised earthen mound associated with early Anglo-Norman fortification. A motte was typically a constructed or enhanced natural mound on which a timber tower would be set, often accompanied by a lower enclosed courtyard called a bailey. Whether this particular example was a true motte or some earlier earthwork repurposed or misidentified by the cartographer, the 1821 map remains the clearest evidence that something of note once stood here. The site was compiled as a record by Geraldine Stout and updated by Christine Baker, with details uploaded in January 2015.

There is nothing to see at ground level today. The housing estate that now covers the site gives no indication of what lies beneath it, and no surface trace of the earthwork survives. It is the kind of place that rewards a different sort of attention, not a walk around a monument, but a look at historical cartography, at what Duncan recorded and why, and at how quickly the built environment can close over the older layers of a landscape. For anyone interested in the archaeology of north County Dublin, the record of this site is its most accessible form.