It is a modest object, round and flat-bottomed, with a funnel-shaped interior, measuring thirty centimetres high and just under sixty centimetres at its widest point. A baptismal font of this kind was the vessel through which individuals were formally received into the Christian church, filled with water for the rite of baptism, and the choice of granite here reflects the geology of the Dublin and Wicklow uplands, where that stone is abundant and durable. What makes this one worth a second look is simply where it has ended up, wedged into a window opening of the very ruin it once served, as though someone long ago found the most logical available shelf and left it there.

The church at Kiltiernan stands within a walled graveyard on the summit of a south-facing slope, a setting that places it in a long tradition of early ecclesiastical sites chosen for visibility and drainage rather than shelter. The broader site complex, recorded under the reference DU026-020002-, encompasses the medieval church within which the font was originally used. The notes were compiled by Geraldine Stout and Padraig Clancy, specialists in Irish field monuments, and revised as recently as April 2018, suggesting the font remains accessible and in situ. Beyond those details, the documentary record for this particular object is sparse, which is itself fairly typical of rural ecclesiastical fixtures that were never removed to museums or collections and so escaped both destruction and documentation in equal measure.

The graveyard at Kiltiernan is still in use, which means the site is generally accessible and reasonably maintained. The church ruin sits at the high point of the enclosure, and the font is visible within the east wall once you are inside. Because the embrasure places it at roughly waist height, it reads almost like a display, though that arrangement was almost certainly practical rather than deliberate. The south-facing slope means the site gets good light through much of the day, and the granite, being a pale speckled stone, tends to stand out against the darker rubble of the surrounding walls. There is no formal car park or dedicated approach path noted for this location, so the usual courtesies of visiting an active burial ground apply.