Known in Irish as a rath, this type of monument typically consists of a roughly circular earthen bank and ditch, thrown up during the early medieval period, between roughly the fifth and twelfth centuries, to enclose a farmstead and its associated buildings. They were the homes of farming families, not military fortifications in any grand sense, though the bank would have offered some protection against cattle raiders and wolves alike.

Ringforts are so numerous in Ireland that they became embedded in the folklore of nearly every parish, often regarded as the dwelling places of the aos sí, the supernatural beings of Irish tradition, which gave many of them a kind of protective aura well into the modern era. Farmers were famously reluctant to level them, and that superstitious caution has preserved a great many that might otherwise have been ploughed away. The townland name Tullaghaboy likely derives from the Irish Tulach Buí, meaning something along the lines of yellow hill or yellow mound, a placename pattern common across Clare and suggesting a landscape that was being named and farmed long before any written record was kept. Beyond its location in this quietly evocative corner of Clare, the specific history of this particular enclosure, its dimensions, its condition, and any finds associated with it, remains to be fully documented.