The word sounds almost dismissive, but a midden, essentially an ancient rubbish heap, is among the most informative things an archaeologist can find. Shells, animal bones, charred seeds, broken pottery, the occasional lost tool; all of it discarded, none of it meant to survive, and yet all of it does. The fact that this deposit was considered significant enough to formally record says something about how seriously archaeology now takes the ordinary debris of daily life.

Middens in Ireland range from the enormous shell mounds left by Mesolithic communities along the coastline to smaller, more localised accumulations from later periods. Without more detail specific to Ballynacourty, it is not possible to say with confidence who left this one, or when, but the townland itself sits in a part of Galway with a long record of human settlement. The material sealed inside such a deposit can preserve organic evidence that stone walls and earthworks cannot, offering a rare window into what people actually ate, and how they lived at a very practical level.