Inside St. Brigid's Cathedral in Kildare town, among a wide gathering of early medieval and later stonework, sits a fragment that rewards close attention. It is only the lower half of a granite cross slab, measuring less than a metre in length, yet the detail carved into it is precise and deliberate: the stem of a cross defined by two parallel grooves, with the foot of that stem ending in a rounded, bulb-like extension. One side of the stone has been chamfered, meaning the edge is cut at an angle rather than left square, a finishing technique that suggests this was once a well-considered piece rather than a rough field marker.

The slab is one of a substantial collection of cross slabs, grave slabs, decorated stones, and three stone effigies that have been gathered into the cathedral over time, ranging in date from the 10th to the 17th centuries. Cross slabs of this kind were a common form of early Christian grave marker across Ireland, typically incised with a cross motif rather than carved in full relief, and they vary enormously in ambition and execution. This particular fragment, catalogued and described in detail by Bradley and colleagues in a 1986 survey, sits in the cathedral's south transept. The bulbar termination at the foot of the cross stem is an uncommon decorative choice, and gives the carving a quiet individuality within what is otherwise a fairly standardised tradition of funerary stonework.