Built in the medieval period, likely during the 15th or 16th century, this tower house represents the architectural preferences of Anglo-Norman and Gaelic Irish nobility who sought to establish their power across the western counties. The castle’s strategic position would have provided its inhabitants with defensive advantages whilst allowing them to oversee the surrounding agricultural lands that sustained their wealth and influence.

The structure follows the typical design of Irish tower houses, featuring thick limestone walls, narrow windows, and multiple storeys that once housed living quarters, storage areas, and defensive positions. Like many such fortifications across Ireland, Wallscourt Castle would have been home to extended families, their retainers, and servants; all living within or near its protective walls. The castle’s history likely includes periods of conflict during the various rebellions and wars that swept through Connacht, including the Cromwellian conquest and the Williamite Wars, which saw many similar structures damaged or abandoned.

Today, Wallscourt Castle remains a compelling ruin that offers visitors a glimpse into Ireland’s turbulent past. Though time and weather have taken their toll, the remaining walls and architectural features continue to evoke the lives of those who once walked its halls. The site serves as an important reminder of the complex social and political landscape of medieval and early modern Ireland, when such fortified homes dotted the countryside, each one a centre of local power and a symbol of the enduring struggle for control over Irish lands.