The example at Listrim in County Kerry is a rath, the term used for an earthen ringfort, typically consisting of one or more circular banks and ditches enclosing a central living area. During the early medieval period, roughly the fifth to twelfth centuries, these enclosures served as the farmsteads of ordinary farming families as well as minor lords, the bank and ditch providing a degree of security for people and livestock rather than any serious military defence. Thousands were built, and thousands survive in various states, half-swallowed by gorse or reduced to a slight rise in a field that a farmer might simply call a fairy fort and leave well alone.

Kerry is particularly rich in such monuments, its landscape preserving traces of settlement patterns that elsewhere have been erased by later development or intensive agriculture. The Listrim rath sits within this broader picture of early medieval land use in the south-west, where dispersed farmsteads rather than nucleated villages defined how people organised themselves across the territory. The placename Listrim itself may carry an echo of this, given that the Irish word lios is one of the common terms for a ringfort, suggesting the enclosure was significant enough to give its name to the surrounding area, as happened in many townlands across Ireland.