No headstones break the surface, no mounded earth marks where the dead lie, and nothing announces to a passing visitor that anyone was ever interred here at all. What makes the place quietly arresting is not what can be seen but what cannot, and the layered reasons why even the memory of it has become so difficult to read.

The site appears on the 1842 Ordnance Survey six-inch map under the name Kilcoulaghta Grave Yard, the prefix "Kil" suggesting an early ecclesiastical foundation, perhaps a cell or church associated with a now-forgotten saint or local figure. By the time the same mapping series was revised in 1904, the yard had already been marked as disused, meaning it had fallen out of active use within the intervening decades. Underneath the burial ground, or enclosing it, lies the earthwork of what may be a ringfort, a type of enclosed farmstead common across early medieval Ireland, typically defined by one or more circular banks and ditches. The possible ringfort at Coolnasoon adds another layer of time to the site; burial grounds were sometimes established within or adjacent to older enclosures, either because the ground was already considered significant or simply because its raised, defined shape suited the purpose. When P. J. Hartnett visited in 1939, he recorded the outline of graves and stumps of unmarked stones, faint impressions that were already fading into the grass. In the decades since, even those traces appear to have gone.