It is easy to miss, and that is part of what makes it quietly compelling. Datestones were typically set into the fabric of a building at the time of its construction, recording the year for anyone who cared to look. This one has outlasted whatever structure it once marked, and now rests embedded in a wall, stripped of most of its context but still legible after three and a half centuries.

The stone is associated with the site of Carrowbrowne Castle and a house that once stood nearby. The castle and the house were separate but connected features of the same local settlement, and the inscribed stone is thought most likely to have come from the house rather than the castle itself. The year 1674 places it in a period of considerable flux in Connacht landownership, in the decades following the Cromwellian and Restoration land settlements that displaced and reinstated various families across the west of Ireland. Without more detail surviving about who built or occupied the house, the stone functions less as a specific historical record and more as a small piece of material evidence that someone, in that particular year, put up a building here and thought it worth commemorating.