The name itself offers a small clue. Knockmaria, likely derived from the Irish "Cnoc Mhuire", meaning the Hill of Mary, suggests a site with religious associations, possibly linked to a pattern of Marian devotion that was once common across the west of Ireland, where certain hills, wells, and burial grounds were dedicated to the Virgin and became focal points for local worship and communal gathering.

Graveyards bearing this kind of name often have roots that predate any surviving physical record. In Mayo especially, many such burial grounds served rural communities for centuries, used continuously long after any associated church fell into ruin or was simply forgotten. Some were attached to early medieval ecclesiastical sites; others grew up around mass rocks or informal places of worship during the Penal era, when Catholic practice was suppressed and congregations gathered outdoors, often on elevated ground. Without more specific documentation for this site, it is difficult to say which, if any, of these histories applies here. What is certain is that the name Knockmaria places it within a landscape shaped as much by religious geography as by the physical contours of the land.