Ringforts, known in Irish as raths or lios depending on regional usage, are the most common field monument in the Irish countryside, with estimates placing their number at around 45,000 across the island. They were typically built during the early medieval period, roughly between the fifth and twelfth centuries, and functioned as enclosed farmsteads, the raised banks and ditches offering protection for a family, their livestock, and whatever small-scale agricultural activity sustained them through the year. That so many survive at all is partly because later generations regarded them with a mixture of superstition and respect, often believing them to be the dwelling places of the fairy folk, which discouraged casual demolition in a way that no official protection could.

Kilcurl itself is a small townland, and like many such places in Kilkenny it sits within a county that was heavily settled and fought over throughout the medieval period. The presence of a ringfort here points to an earlier layer of habitation, one predating the Anglo-Norman reorganisation of the landscape and the establishment of the manorial farms and parishes that came to define the region. Beyond its existence and its location, the specific history of this particular enclosure, who built it, how long it was occupied, and what traces of that occupation might remain beneath the soil, is not currently documented in any publicly accessible form.