For a monument that has likely stood in this landscape since prehistory, that cartographic absence is quietly puzzling, a reminder that the Victorian and Edwardian surveyors who meticulously recorded so much of rural Ireland occasionally passed over what was right in front of them.

Standing stones of this kind are a recurring feature of the Irish countryside, most dating to the Bronze Age, though their precise purpose remains a matter of debate. Some are thought to have marked territorial boundaries, burial sites, or routeways; others may have held ceremonial significance now entirely lost to us. The Ballyellis stone is subrectangular in plan, meaning it has a roughly rectangular cross-section with somewhat irregular edges, and measures 1.8 metres by 0.7 metres at its widest points. Its long axis runs north-east to south-west, a directional alignment shared by a number of standing stones across Munster, though whether this reflects intentional astronomical orientation or simply the natural grain of the stone is difficult to say. A detail worth noting is the presence of packing stones still visible at the base, small stones wedged around the foot of the monument to stabilise it in the ground, suggesting that the original raising of the stone was a considered and deliberate act of engineering rather than a casual placement.