It has a record number but no published description, no excavation notes, no account of what was found there or when it was first noted. It exists, in the formal sense, as a placeholder: a shape on the ground that has been observed closely enough to be named, but not yet closely enough to be explained.

Enclosures of this kind, broadly defined as any defined area bounded by a bank, ditch, wall, or some combination of these, are among the most common monument types in the Irish archaeological record. They range from prehistoric farmsteads and early medieval ringforts to later livestock enclosures, and distinguishing between them often requires excavation or at minimum detailed survey. Polldrian as a placename has a Gaelic character consistent with many small townlands across Mayo, a county whose landscape is dense with monuments of every period, many of them still awaiting systematic documentation. Without further detail it is impossible to say whether this particular enclosure belongs to the early centuries of farming in the west of Ireland or to a more recent agricultural past.