Somewhere beneath a field of level pasture in Coghlanstown, County Kildare, there is a cemetery that no longer exists to the eye, yet stubbornly persists on paper. The Ordnance Survey's 1939 to 1940 edition of the six-inch map marks the spot with the phrase "Slab-lined Cemetery (Site of)", which is itself a small archaeological curiosity: a map acknowledging an absence, a label for something already half-lost.

The site's history, reconstructed from local memory, follows a familiar and dispiriting arc. Around 1920, gravel extraction at a low hill in the area disturbed what turned out to be a slab-lined cemetery, a burial type in which individual graves are defined by flat stones set on edge to form a rough box or cist around the body. Such burials occur across a wide span of Irish history, from the early medieval period back into prehistory, and their presence often goes unrecognised until machinery intervenes. Whatever was uncovered at Coghlanstown around that time was not preserved. By the 1950s the ground had been levelled, and when the site was checked in 1972 there was no visible surface trace remaining. The low hill where the graves were found is gone, the pasture runs flat, and the only record of the cemetery's existence is the map notation and the recollections passed along by local people.