What survives of the medieval church at Corballis in County Kildare amounts to very little: a ghost of foundations and a single fragment of wall. Yet even in this reduced state, the site carries traces of something older and more layered than its modest footprint might suggest.

The building itself was a simple rectangular structure, roughly twelve metres by six, aligned on an ESE-WNW axis in the manner typical of early Irish ecclesiastical sites, where the orientation of prayer towards the east shaped the geometry of even the smallest churches. A short section of the southern wall still stands to around three metres, built from coursed and mortared boulders, the kind of sturdy, unfussy masonry that characterises rural medieval construction across Leinster. What would once have surrounded the church is largely gone. The graveyard, which may have been circular, a form often associated with pre-Norman ecclesiastical enclosures in Ireland, was levelled approximately fourteen years before records of this site were formalised in 2016, and the ground has since been ploughed. A circular graveyard, where one survives, can suggest continuity with an early Christian or even pre-Christian sacred enclosure, making its loss here particularly significant for anyone trying to read the deeper history of the place.

The ploughing of the surrounding area means the site now sits within what is essentially agricultural land, the graveyard's outline erased and any surface finds long since disturbed. The fragment of southern wall remains the one legible piece of the original structure, a short, rough run of mortared stone standing in a field that gives little indication of what once occupied it.