At roughly 1.9 metres tall and varying between 0.4 and 0.52 metres in width, it is a substantial piece of funerary carving, the kind that would once have marked the burial of someone of local consequence.

The slab is carved in relief with a floriate cross, meaning the cross arms terminate in or are decorated with leaf-like, flowering forms rather than plain geometric ends, a style common in Irish medieval stonework. The cross rises from a stepped base, a design element that echoes the form of an actual altar or standing cross, giving the whole composition a sense of architectural solidity. The wall it occupies is described as an inserted one, suggesting the western wall of the chancel was a later addition to the building's fabric, and the slab was incorporated into it at that point rather than laid flat as a floor stone.