It is not inside the burial ground, not quite part of it, yet not entirely separate either. That proximity, three metres from the boundary, raises more questions than the available evidence can answer.

The burial ground itself is a cillin, the Irish term for unconsecrated ground where unbaptised infants and others excluded from Catholic burial rites were interred, often quietly and without ceremony. Such sites are found across Ireland, typically in marginal or liminal locations, and they rarely carry formal grave markers. This one in Killian is no exception: heavily overgrown, it contains no visible markers of any kind. The site appears on the 1920 Ordnance Survey six-inch map, which at least confirms it was recognised and named by that date, though the burial ground itself is likely considerably older. The cairn nearby, a simple mound of gathered stones, has no inscription, no confirmed date, and no documented association with any individual. Whether it served as a boundary feature, a marker of some other kind, or accumulated gradually over time is not recorded.