That designation, a mound, covers a wide range of possibilities in the Irish archaeological record. It might indicate a burial cairn, a natural glacial feature pressed into ceremonial use, the collapsed remains of a ringfort, or a Norman motte, the flat-topped earthen mound on which a timber tower would once have been raised to command the surrounding countryside. Without excavation or detailed survey, such features resist easy identification, which is part of what makes them quietly compelling.

Eochaill is a placename of Irish origin, likely derived from a word relating to a yew wood, a type of topographical name common across Ireland and often ancient in origin. Yew trees carried deep significance in early Irish culture, associated with boundaries, sacred sites, and the threshold between worlds. Whether the name preserves any genuine memory of woodland cover in this part of Galway, or simply reflects the conventions of early medieval naming, is difficult to say. The mound itself has been formally recorded as an archaeological monument, which means it has been identified in the field and given protected status, even if the detail of what it represents remains unresolved.