In Irish, "cill" denotes a church or early monastic cell, and its presence in a place name almost always signals a burial ground of considerable age nearby, often predating the Norman period and sometimes stretching back to the early Christian centuries. The graveyard at Kilglass belongs to that category of sites which survive at the margins of the historical record, known locally, marked on maps, yet not easily placed within a wider narrative.

Kilglass is one of several townlands bearing this name across Ireland, and in Sligo the surrounding landscape is one of quiet drumlin country and lakeshore, a region that saw early monastic settlement and later the layered disruptions of plantation and land clearance. Graveyards associated with early church sites frequently contain the remains of structures far older than any standing stonework suggests, with burials sometimes extending back over a millennium. Many such sites in Connacht remained in active use as burial grounds long after the church buildings themselves fell into ruin, giving them an unbroken thread of human presence that more celebrated monuments lack.

The source material available for this particular site is currently thin, and rather than speculate about what a visitor might find, it is more honest to say that the graveyard at Kilglass awaits fuller documentation. What can be said is that sites of this type often reward a careful look, with early grave slabs, the remnants of a chancel wall, or the outline of an enclosing bank still legible beneath the grass.