In Irish, tearmann denotes a sanctuary or monastic precinct, the kind of protected ecclesiastical territory that grew up around early Christian foundations across Ireland. That a burial ground survives here in County Mayo under such a name suggests a site with deep roots, one where the dead have been laid down in ground considered sacred long before any formal parish boundary was drawn.

Burial grounds attached to early monastic termons often predate the Norman period by centuries, and in the west of Ireland particularly, they continued in use across successive waves of religious and political change. Many were associated with a patron saint whose name, over time, slipped from local memory or became absorbed into a place name. The word caithreach, sometimes rendered as cathair, can refer to a stone fort or an early ecclesiastical enclosure, which hints that this site may once have been defined by a boundary wall or cashel marking it off from the surrounding land as holy ground.