The Irish "Cill Fhearaigh" points to an early ecclesiastical settlement, a cell or church associated with a figure named Fearach, and wherever such a dedication survives in a place name, a holy well is rarely far away. This one follows that pattern: a spring or seepage point that was drawn into the devotional landscape of early Christian Ireland, where natural water sources were absorbed into a calendar of saints, patron days, and local ritual.

Holy wells of this kind were seldom simple springs. Across Ireland they accumulated layers of practice over centuries: rounds, or prescribed circuits walked in a set direction; the tying of cloth strips, coins, or small offerings to nearby bushes; cures attributed to particular saints for particular ailments. The Loop Head area retains a number of such sites, many of them tied to saints whose cults never spread far beyond their immediate locality, which gives them a quality of deep local particularity. Beyond its location in Kilfearagh and its classification as a holy well, the detailed history of this specific site remains largely undocumented in the public record, which is itself telling. Many such wells were never formally catalogued, simply continuing as quiet focal points in the lives of nearby communities until those communities changed around them.