A rath, as this type of monument is commonly called, is essentially a raised circular enclosure defined by one or more banks and ditches, built during the early medieval period, roughly between the fifth and twelfth centuries. Thousands of them survive across Ireland, yet each one occupies a specific patch of ground chosen by a specific family, and Lisluinaghan's example is no different in that regard.

The townland name itself offers a small clue to the area's past. Lisluinaghan likely derives from the Irish, with "lios" being a common word for a ringfort or enclosure, suggesting that the local landscape was once defined, at least in part, by a fortified presence. Beyond that etymological hint, the documentary record for this particular site remains limited in what is currently accessible to the general reader. What can be said is that Clare's interior is well-populated with such earthworks, many of them surviving as low, grass-covered rings in fields that have been farmed continuously since medieval times. The fact that this one has been formally recorded as a monument at all means its earthworks were visible and substantial enough to warrant classification, which in itself says something about its state of preservation.