These enclosures, known in Irish as raths, were the standard farmstead of early medieval Ireland, roughly between the fifth and twelfth centuries. A typical rath consisted of one or more circular earthen banks and ditches surrounding a domestic interior, used by a farming family to shelter people, animals, and stores. Tens of thousands once existed across the island; several thousand survive in some form today, and this is one of them.

Beyond its classification and location, the particular history of the Kilcarroll rath remains largely unrecorded in publicly available sources. What can be said is that Clare is exceptionally well supplied with these monuments, and that townland names ending in or containing elements like "cill" or "kill" often point to early ecclesiastical association in the wider area, suggesting a landscape that was actively organised and settled during the early medieval period. The rath itself would have been home to a farming household of modest or middling status, its bank marking the boundary between the domestic and the wider world beyond.