No headstones, no inscriptions, no formal markers of any kind. What survives is a low boundary wall of loose stones, barely forty centimetres high, enclosing a roughly triangular area about eighteen metres across at its widest. Inside and just beyond that boundary, two subtle features break the surface: an oval cairn to the south, three metres long and only twenty centimetres proud of the ground, and a small mound of earth and stone to the northwest, about a metre in diameter. Local tradition identifies this as a children's burial ground, and that tradition carries considerable weight in understanding what you are looking at.

Places like this are known in Ireland as cillíní, informal burial grounds historically used for unbaptised infants, and sometimes for others considered ineligible for consecrated ground under Catholic practice, including stillborn children, strangers, and the shipwrecked. Because the Church denied these individuals burial in parish cemeteries, communities quietly set aside other spaces, often at townland boundaries, beside ringforts, or at sites already carrying a sense of age and sanctity. The practice was widespread from the medieval period through to the twentieth century, yet cillíní were rarely documented formally, and the physical evidence they leave is typically sparse: low cairns, unmarked mounds, a rough enclosing wall. The site at Letter fits that pattern closely. No grave markers have been recorded here, which is entirely consistent with the nature of such places, where mourning was private and commemoration necessarily understated.