These stumps are among the quieter survivors of Irish industrial history, the lower courses of stone towers that originally carried wooden or canvas-sailed machinery for grinding grain. Most were built during the seventeenth and eighteenth centuries, when wind-powered milling was a practical solution in exposed, treeless landscapes with reliable Atlantic winds. When the sails and timber cap rotted away, or when the economics of milling shifted, the towers were simply abandoned, and in many cases the upper stonework was gradually quarried for other uses, leaving only the base behind.

The Mayo landscape, swept by westerly winds and largely bare of sheltering woodland, was well suited to windmill operation, and a number of such sites are scattered across the county. The stump at Drumshinnagh is recorded as a monument, suggesting its masonry is sufficiently intact to be considered a structure worth preserving rather than a mere scatter of stone. Beyond that, detailed records for this particular site remain sparse, which is itself a reflection of how little attention these functional, unglamorous buildings have historically attracted compared with castles, churches, or megalithic tombs. A windmill was a working machine, not a prestige structure, and when it stopped working it tended to stop mattering to the people who documented such things.