Ringforts, known in Irish as raths when their enclosing bank and ditch were made from earthworks rather than stone, were the standard settlement type of early medieval Ireland, roughly from the fifth to the twelfth centuries. A farmer of middling status would have lived inside one with his family, his livestock occasionally brought within the banks at night, the raised earthen ring serving as a boundary between the domestic world and everything outside it.

Lissooleen is a small townland in Kerry, and the presence of a rath there fits a broader pattern across the county, where early medieval farming communities left their circular marks on hillsides, valley floors, and coastal margins alike. The specific details of this particular enclosure, its dimensions, its condition, whether any internal features survive, are not currently available in the public record. What can be said is that the name Lissooleen itself is worth a moment's attention. The element "lios" in Irish place names typically refers to exactly this kind of enclosed settlement, a fort or ringfort, so the townland may in some sense be named for the very monument that sits within it, the place taking its identity from a structure that predates it by many centuries.