The first element, cill, is the Irish word for a church or monastic cell, the kind of small early Christian foundation that once dotted the west of Ireland in considerable numbers, many of them now reduced to a field boundary or a scattering of dressed stone. That a building of some archaeological note has been recorded here in County Galway suggests the site preserves, in some form, traces of whatever once gave the place its name.

Beyond the placename itself, the details of this particular structure remain largely undocumented in publicly available sources. What can be said is that Galway's landscape holds an unusual density of such sites, where early ecclesiastical foundations were later built over, repurposed, or simply absorbed into the working farmland around them. A recorded building at a cill site might represent anything from a remnant of a medieval church to a later structure that happened to inherit the name and the ground.