It is the kind of place that appears on maps and in monument registers but has so far eluded fuller description, its details accumulated somewhere in archive folders rather than in any publicly accessible record.

Rossinan is a small rural townland in Kilkenny, a county with an unusually dense concentration of medieval ecclesiastical remains, many of them associated with the network of early Christian foundations and later Anglo-Norman parishes that spread across Leinster from the twelfth century onward. Church ruins in such townlands often mark the site of a parish that has long since merged with a neighbouring one, leaving behind a roofless nave, a fragment of dressed stonework, or a burial ground still tended at the edges. Without more specific documentation, the precise period and dedication of this particular structure remain unclear.