That much is certain. Beyond that, the record goes quiet. Holy wells are among the most numerous and quietly persistent sacred sites in Ireland, typically springs or water sources that acquired religious or healing associations over centuries, often layered across pre-Christian and Christian traditions alike. They were visited on pattern days, dressed with votive offerings, and credited with cures for ailments ranging from eye complaints to rheumatism. Garrygaug has one, and for now that is largely where the paper trail ends.

The townland name itself, Garrygaug, likely derives from the Irish, though without additional documentation the precise etymology is difficult to confirm. Holy wells in Kilkenny, as elsewhere in Leinster, frequently survive in field corners, beside hedgerows, or at the margins of old agricultural land, sometimes marked by a single standing stone, a hawthorn tree hung with cloth strips and medals, or a simple kerb of rough limestone. Many were absorbed into the calendar of a local parish saint, their older identities half-remembered and half-reinvented across generations. Whether Garrygaug's well retains any of these visible markers, or whether it persists only as a name on a monument record, is not currently documented in any publicly available form.