That a parish church should appear in a monument record at all points to something worth pausing over: ecclesiastical buildings of the nineteenth and early twentieth centuries in the west of Ireland frequently occupy sites with much older religious associations, whether earlier Mass rocks used during the Penal era, when Catholic worship was conducted in secret outdoors, or pre-Reformation foundations whose memory persisted in local practice long after the physical structures had disappeared.

The source material available for this particular church is currently too limited to support specific dates, architects, or construction history, and inventing those details would serve no one. What can be said is that Carna and the surrounding Iar-Connacht region were profoundly affected by the Great Famine of the 1840s, and that the decades immediately following saw considerable church-building activity across rural Connacht, often supported by charitable funds from abroad and by the efforts of individual bishops working to consolidate a visible Catholic infrastructure in communities that had lost enormous proportions of their populations. Churches built in this period in Connemara tend toward a simple Gothic Revival idiom, plain by the standards of urban contemporaries, built from local stone, and quietly insistent in the landscape.