What makes it quietly arresting is the detail of the bosses, raised rounded projections carved into the top of the stone and near its upper edges on both sides, a decorative or perhaps symbolic feature that lifts it beyond a simple marker. It is not the only such stone in the immediate area; a second cross-inscribed pillar stands to the northwest, suggesting this was once a site of some deliberate concentration, two early Christian monuments placed in close proximity on ground that evidently mattered to whoever shaped them.

Pillars of this kind belong to a tradition of early medieval stone carving found across Ireland and particularly on the western seaboard, where communities used upright stones to mark boundaries, graves, or places of prayer long before the construction of elaborate high crosses. The Eochaill pillar has attracted scholarly attention since at least the early twentieth century. Henry S. Crawford documented it in 1907 and again in 1913, and it appears in Michael O'Flanagan's survey work of 1927. Later analysis by Higgins in 1987 placed it within a broader catalogue of such monuments. The limestone from which it is carved is the same pale, fissured stone that composes the island itself, giving the pillar the appearance of having grown from the ground rather than been set into it.