That is precisely where this plain limestone font was found in 1893, when a writer named Hewson recorded it as concealed in the ground at the north-east corner of the medieval church of Kylebeg in Blanchvillestown, Co. Kilkenny. At some point after that observation it was rescued, brought inside, and set against the north wall of the nave just east of the doorway, which is where it remains.

The font itself is unadorned by any sculptural ambition. Square in plan, roughly 56 centimetres on each side and only 25 centimetres tall, it holds a circular basin cut into its upper surface with a small drain-hole at the centre, a practical detail that allowed water to be cleared after use. Fonts of this kind, used for the administration of baptism, were standard features of medieval parish churches across Ireland, though their survival is uneven; many were lost, broken, or repurposed over the centuries. What makes this one quietly interesting is the base, which carries an incised X on its upper surface, a groove cut to receive the bowl sitting neatly above it. Whether the X was a mason's mark, a functional alignment guide, or something else entirely is not recorded. The limestone is otherwise plain, without carving or inscription, which only makes that small deliberate mark more curious.