Ringforts, known in Irish as raths when constructed from earthen banks and ditches, were the most common form of rural settlement in early medieval Ireland, built roughly between the sixth and tenth centuries. They were not military fortifications in any grand sense but rather enclosed farmsteads, the raised ring of earth serving as a boundary against livestock strays and opportunistic raiding rather than organised warfare. That so many survive at all, even in degraded form, is largely because later generations treated them with a certain wariness, associating them with the fairy folk and leaving them unploughed.

Creevagh More itself is a townland name with roots in the Irish word for a branchy or tree-covered place, and Mayo's interior landscape holds a considerable concentration of these early medieval enclosures, many of them poorly documented and visited only by the occasional walker or local farmer. The rath at this location belongs to a class of monument found across every county in Ireland, yet each one carries the faint outline of a particular household, a farming family whose name and story have not survived. The earthen ring, wherever it sits in the townland, would originally have enclosed a house or cluster of houses, perhaps a souterrain, an underground stone-lined passage used for storage or refuge, and the daily apparatus of an early Irish agricultural life.