A rath, as this type of monument is commonly called in Ireland, is an enclosed farmstead of the early medieval period, typically defined by one or more circular earthen banks and ditches. They were the everyday homes of farming families between roughly the fifth and twelfth centuries, and Kerry has more of them than almost any other county in Ireland. That abundance, paradoxically, is part of why individual examples like this one can slip beneath notice.

Barrakilla is a small rural townland, and beyond its name and the confirmed presence of this monument, the documentary record currently offers little to work with. What can be said is that ringforts of this kind were not ceremonial or defensive structures in any grand sense. They were practical enclosures, built to protect livestock from wolves and neighbours alike, and to mark out a family's claim on a patch of productive ground. The earthen banks that define them were sometimes topped with timber palisades or thorn hedging. Inside, you might expect the traces of a timber or wattle house, a souterrain (an underground stone-lined passage used for storage or refuge), and the ordinary debris of early medieval rural life. Whether any of those features survive at Barrakilla is not yet part of the available record.