It is not large by the standards of prehistoric standing stones, measuring roughly 0.9 metres across and 0.7 metres deep, but its orientation is deliberate and precise, aligned along an east-north-east to west-south-west axis. That kind of intentional placement is the hallmark of standing stones across Ireland, where the alignment often corresponds to solar or lunar events, though the specific reasoning behind any individual stone is rarely recoverable after several millennia.

Standing stones, sometimes called galláin in Irish, are among the most common and least understood monuments in the Irish landscape. Erected anywhere from the Neolithic through the Bronze Age, they served purposes that likely varied from site to site, encompassing burial markers, territorial indicators, ritual focal points, or astronomical alignments. The Ballyellis example is a modest but solid presence, its granite fabric suggesting it was quarried or gathered locally, granite being a characteristic rock of parts of County Wexford. Without associated finds or excavation, its date and precise function remain open questions, as they do for the great majority of such stones recorded across the island.