That gap is itself a small curiosity: the site is recognised, catalogued, and considered significant enough to be listed among Ireland's protected monuments, yet the particulars of its age, its denomination, its extent, and any structures or markings it may contain remain unconfirmed in sources accessible to the general reader.

Caltraghlea is a Galway townland whose Irish name likely derives from "cealtrach", a term used in early Irish to denote a burial ground, often one of considerable antiquity, sometimes pre-Christian in origin or associated with an early ecclesiastical site. Graveyards of this type in the west of Ireland frequently contain traces of earlier occupation, whether a ruined church, a scattering of plain upright slabs, or the remains of a surrounding enclosure. Whether Caltraghlea fits that pattern is not currently verifiable from available sources, which is precisely what makes it an interesting loose end rather than a settled story.