The one recorded at Earlspark in County Galway is among the quieter entries in the archaeological register, a named and noted place that has not yet yielded its full story to the public record.

Field systems of this kind can range from Bronze Age enclosures to the relict boundaries of medieval strip farming, and distinguishing between them usually requires careful survey work on the ground. The townland name Earlspark itself hints at a post-medieval layer of history, with "Earl" suggesting a possible connection to the landed estates that reshaped Connacht landholding from the sixteenth century onwards, though the field boundaries themselves may be considerably older than any such association. Without more detailed documentation currently available, the precise character, extent, and date of the Earlspark system remains an open question, one that makes it representative of a broader situation across rural Ireland, where the ground holds more than the records yet describe.