"Kil" derives from the Irish "cill", meaning a church or monastic cell, and "Macduane" most likely references a personal name tied to an early Christian founder or patron, suggesting that this modest rural corner of Clare was once a place of some ecclesiastical significance, however locally defined.

Beyond the evidence embedded in the placename itself, the historical record for the church at Kilmacduane remains frustratingly thin at present, the site not yet fully documented in publicly accessible form. What is clear is that sites of this type, early ecclesiastical enclosures scattered across the Clare countryside, frequently preserve traces of Activity stretching from the early medieval period onward. A "kil" church in an Irish rural context often began as a simple oratory or burial ground associated with a local saint or monastic community, later absorbed into the parochial structures of the medieval church, and eventually left to fall into ruin as population and worship patterns shifted over the centuries. Many such sites continued in use as burial grounds long after their roofed structures collapsed, which is why they remain meaningful landmarks in the local landscape even when the masonry has almost entirely disappeared.