Unlike the Low Countries or the English fens, Ireland never developed a strong windmilling tradition, and the structures that were built tended to be poorly documented, quickly abandoned, or gradually absorbed into farmyards and forgotten. The presence of a windmill at Keenaghan in County Galway, recorded as an archaeological monument, is a reminder that the technology did take hold in pockets of the country, even if its traces are now sparse.

Ireland's windmills date largely from the seventeenth and eighteenth centuries, when improving landlords and estate managers introduced them for grinding grain or, in coastal areas, lifting water. They were typically built as tower mills, a cylindrical stone structure with a rotating cap that could be turned to face the wind, as distinct from the older post mill design in which the entire body of the structure pivoted. Most Irish examples fell out of use as steam and water power became more reliable, and very few have survived in anything approaching their original form. The Keenaghan example sits within this broader picture of fragmented survival, a monument whose exact condition and remaining fabric await fuller documentation.