Windmills were never especially common in Ireland, and those that survive, or survive in any form, tend to be overlooked in favour of more photogenic ruins. The fact that this one is listed at all suggests the remains are considered worth preserving, even if the details of what exactly survives above ground are not currently documented in the public record.

Windmills in Ireland were typically built from the medieval period onwards, with a second wave of construction during the seventeenth and eighteenth centuries, when landlords and merchant interests invested in grain processing infrastructure. Tower windmills, the kind most likely to leave durable remains, were built of stone with rotating cap mechanisms at the top to face the sails into the wind. The south Galway coastline, exposed to Atlantic breezes and historically dependent on cereal agriculture, would have been a plausible location for such a structure. Kinvarra itself sits at the inner edge of Galway Bay, a point that has served as a trading harbour for centuries, and the proximity of a milling site to a coastal landing place would have made practical sense for the movement of grain and flour.