The name Carrowmore itself, derived from the Irish An Cheathrú Mhór meaning the great quarter, appears in several counties across Ireland, and Mayo has its share of ancient monuments scattered through its boglands and hill slopes, many of them still awaiting detailed investigation.

Megalithic tombs, built during the Neolithic and into the early Bronze Age, were communal monuments, constructed from large stones to mark burial places and perhaps to anchor a community's claim to a territory. Ireland preserves several distinct types, including court tombs, portal tombs, passage tombs, and wedge tombs, each with its own regional distribution and architectural logic. Which category this particular structure belongs to, how well preserved it remains, and what if any excavation has taken place at the site are details that the available record does not yet supply. What can be said is that Mayo's interior and western coastline hold a significant concentration of prehistoric monuments, many of them poorly signposted and visited only by those who already know to look.