Burial mounds of this kind are among the oldest human-made structures in Ireland, raised during the Neolithic or Bronze Age as monuments to the dead and, in many cases, as markers of territory or cosmological significance. They take various forms across the country, from large passage tombs engineered to capture the solstice light, to modest earthen mounds that have quietly survived millennia of farming and land clearance.

An Pollach is a placename of Irish origin, and the mound there has been formally identified as an archaeological monument, meaning it carries legal protection under Irish heritage legislation. Beyond that, the documentary record for this particular site remains sparse at present, with detailed survey information not yet in the public domain. What can be said is that Galway's landscape contains a considerable number of such prehistoric earthworks, many of them sitting unremarked in fields, their original purposes and the identities of those interred within them long since beyond recovery.