This is a cillín, the Irish term for an informal burial place used for unbaptised infants, and in some periods for others considered excluded from consecrated ground, including suicides, strangers, and the unbaptised poor. These sites exist in their hundreds across Ireland, tucked into field corners, beside ancient ringforts, or along parish boundaries, and they represent a largely undocumented chapter of rural Irish life that stretched from the early medieval period well into the twentieth century.

The theology behind such places was grim and specific. Catholic doctrine held that unbaptised children could not enter heaven, and so they were denied burial in the churchyard. Families, unwilling to leave their infants entirely without ceremony or place, created their own ground. Cillíní were rarely marked with formal headstones, and the grief attached to them was often kept private, sometimes not spoken of for generations. The Rathclooney example sits within a landscape that, like much of Clare, carries layers of early Christian and prehistoric activity, though the specific history of this particular site remains sparsely documented at present.