Just outside the north-east corner of Killhanna burial ground in Johnstown, County Cork, a standing stone once marked the landscape, documented on the Ordnance Survey six-inch maps of both 1842 and 1904. By the time anyone thought to look for it carefully, it had gone entirely, leaving no visible surface trace. That gap between the cartographic record and the empty ground is its own kind of puzzle.

Standing stones are among the most common yet least understood monuments in the Irish countryside, erected across a broad span of prehistory for purposes that remain genuinely uncertain, whether as boundary markers, ritual focal points, or memorials. The Johnstown stone is notable for its position relative to Killhanna burial ground, placed just beyond the enclosure's corner rather than within it, a placement that may be coincidental or may reflect a now-obscure relationship between the monument and the site of the dead. The stone appears on the 1842 OS map, meaning it was still standing when the first systematic survey of Ireland was carried out, and it persisted into the early twentieth century, still recorded on the 1904 revision. At some point between then and now it was removed, quietly and without apparent ceremony, and the ground closed over whatever socket or packing stones once held it upright.