There are estimated to be around 40,000 to 50,000 ringforts surviving in Ireland, making them among the most numerous archaeological features in the country, yet each one represents a specific farmstead or enclosure, typically dating from the early medieval period, roughly the fifth to the twelfth centuries. A rath, as this type is called, would originally have consisted of a roughly circular earthen bank and ditch enclosing a domestic space, home to a family and perhaps their livestock. The name Knocknagarhoon itself is worth a moment of attention. It derives from the Irish, most likely containing the element "cnoc", meaning hill, suggesting the fort occupies or sits near an elevated position in the local terrain.

Beyond the place name and the classification, the specific history of this particular site remains to be fully documented in the public record. What can be said is that ringforts of this kind were not military structures in the way a later castle or tower house would be. They were working enclosures, their banks serving to keep livestock in and wolves or rival neighbours out, and the families who lived within them were the ordinary farming class of early Christian Ireland. County Clare has a high density of such monuments, many of them absorbed quietly into field systems and farmland over the centuries, their banks softened by time and sometimes reduced by agriculture, though enough survive to give a sense of how densely settled this part of Munster once was.