The site is listed as a monument, which places it within a tradition of ecclesiastical settlement that runs deep across this part of Connacht, where early medieval communities gathered around modest stone churches, often founded by local saints or monastic figures whose names have long since faded from popular memory. Creggagh itself, as a place name, likely derives from the Irish creagach, meaning rocky or stony ground, which gives some sense of the landscape in which this church was established.

Beyond its classification and location, the specific details of this site remain largely undocumented in any publicly accessible form. What survives at Creggagh, whether a ruin of standing walls, a grassed-over foundation, or something more substantial, is not yet on record in a way that can be consulted without specialist access. That absence is itself worth noting. Mayo contains hundreds of such sites, many of them unexcavated and understudied, quiet markers of a period when the west of Ireland supported a dense network of religious communities, each occupying a patch of ground that retained sacred significance long after the original structure fell into disuse.