Mass-rocks are among the more quietly charged survivals of the Penal era in Ireland, the period broadly spanning the late seventeenth and eighteenth centuries when Catholic worship was suppressed under a succession of laws designed to dismantle the institutional church and marginalise its clergy. With chapels forbidden and priests liable to prosecution, congregations gathered outdoors, often on remote hillsides, in hollow ground, or behind field boundaries, using a suitably flat stone as the focal point of the Mass. A lookout might be posted on higher ground nearby. The rocks themselves are rarely marked or monumental; their significance is almost entirely attached to memory and continued local recognition rather than to any obvious physical feature.

The Liskeevy example sits within this broader pattern of Connacht mass-rocks, a county where the practice of outdoor worship under such conditions was widespread and where many such sites remain known at a local level long after formal recording has caught up with them. Galway, with its dispersed rural settlement and extensive upland and bogland terrain, offered the kind of landscape where a congregation could gather with some degree of concealment. The rocks that served these gatherings were seldom purpose-made; they were existing features of the land, chosen for a level surface and perhaps a degree of natural shelter, and returned to repeatedly across the decades of the Penal period until circumstances eventually allowed for the building of modest chapels in the early nineteenth century.