Enclosures of this kind are among the most common yet least understood monument types in the Irish landscape. They can range from prehistoric earthworks to early medieval farmsteads, the latter often called ringforts, where a circular bank and ditch once defined the boundary of a family's dwelling and their cattle. Without further detail specific to this site, it is difficult to say which tradition it belongs to, or what survives above ground today.

Clare is a county with an unusually dense concentration of such features, shaped in part by the karst limestone terrain of the Burren to the north and the more pastoral lowlands and drumlins further east and south. Lislea itself is a small townland, one of thousands across Ireland whose Irish-language names often preserve traces of long-vanished landscape features or early settlement. The name Lislea likely derives from the Irish lios liath, meaning grey fort or grey enclosure, which would suggest the monument gave the place its name, a common enough pattern and one that hints at how visible or significant the structure once was in local memory.