That classification alone hints that there is more to this building than a straightforward place of worship, though the precise details of its age, architecture, and congregation history remain, for the moment, incompletely documented in the public record.

Clonco is a small townland in Galway, and like many such places in the west of Ireland, its religious geography was shaped by the particular pressures of post-Reformation and post-Penal Law Catholicism. Churches built by Catholic communities in the late eighteenth and early nineteenth centuries were often modest structures, erected quickly and with limited resources as legal restrictions on Catholic worship were gradually lifted. Whether this building belongs to that period of cautious revival, or to a later phase of more confident church construction, is not yet confirmed by available documentation.