That much is certain. Beyond that, almost everything else has been lost, including the house itself, and, more unusually, any reliable knowledge of where it once stood.

The sole record of this building comes from the Down Survey, the remarkable cartographic project carried out between 1655 and 1656 under the direction of William Petty. Commissioned by the Cromwellian administration to map confiscated Irish land for redistribution to soldiers and creditors, the Down Survey produced some of the earliest detailed maps of the Irish countryside at a local level. On one such map covering this part of south County Dublin, a dwelling is marked in Palmerstown Lower, placing its construction somewhere in the sixteenth or seventeenth century. No name is attached to it, no owner recorded in the notes, and no further documentation appears to have survived. The monument was compiled by archaeologist Geraldine Stout and uploaded to the record in August 2011, with the frank admission that the exact location of the monument is unknown.

There is, in a sense, nothing to visit here, and that is precisely what makes this entry quietly compelling. Palmerstown Lower today sits within the suburban spread of west Dublin, its older landscape largely obscured beneath roads and housing built up over the course of the twentieth century. A sixteenth or seventeenth-century dwelling in this area would likely have been a modest structure, perhaps timber-framed or built of local stone, the kind of building that left little trace once abandoned or demolished. If you walk through the area with the Down Survey map in hand, you can at least orient yourself to the general territory the surveyors recorded, even if the specific plot is beyond recovery. The record survives as a kind of placeholder, an acknowledgement that something was here once, even if the ground itself no longer says so.