These subterranean passages, found throughout Ireland but particularly common in the northern counties, were carved from earth and stone to create concealed chambers and tunnels. Whilst their exact purpose remains debated amongst archaeologists, they likely served as storage spaces for food and valuables, temporary refuges during raids, or perhaps held ritual significance for the communities that built them between the 6th and 12th centuries.

The Labbadoo souterrain remains largely undocumented in publicly accessible records. Like many souterrains across the country, it would have been constructed using drystone walling techniques, with larger capstones forming the roof of the passages. These structures required considerable skill to build; their builders needed to ensure proper drainage, structural stability, and concealment from potential threats whilst maintaining accessibility for the local population.