The example at Sraheen in County Clare is a rath, the earthen variety of ringfort, a type of enclosed farmstead typically dating to the early medieval period, roughly between the fifth and twelfth centuries. These were not military fortifications in any grand sense but rather the everyday settlements of farming families, the circular bank and ditch marking out a protected space for a house, outbuildings, and livestock against the threats of cattle raiders and wolves rather than armies.

The townland of Sraheen sits within a county whose landscape is unusually dense with early medieval remains, from the limestone pavements of the Burren to the more pastoral lowlands further south and east. A rath of this kind would originally have consisted of one or more raised earthen banks, sometimes topped with a timber palisade, enclosing a roughly circular area. The interior would have held one or more wattle-and-daub or timber structures, and the ditch outside the bank served both as a practical barrier and as a marker of social boundary. In later centuries, many such sites accumulated a reputation for supernatural occupancy, associated in local tradition with the sídhe, or fairy folk, a belief that ironically helped preserve them from disturbance when other earthworks were levelled for farmland.