It is a classified archaeological monument, recognised as significant enough to be listed, yet the details of its history, its age, and the community it once served remain largely undocumented in any publicly accessible form.

The place name itself offers a quiet clue. Kildrum derives from the Irish "Cill Droma", meaning the church or cell of the ridge, a naming pattern that appears across Ireland wherever early Christian communities established small oratories or monastic cells, often on elevated ground. Such sites frequently accumulated burial use over many centuries, with pre-Norman graves giving way to later parish interments, sometimes continuing long after any associated structure had disappeared entirely. Whether that pattern holds here is not yet confirmed, but the name alone suggests a history that reaches back well before the medieval period.