That much is certain. The details beyond that, for now, belong to a category of Irish heritage that exists on paper and in local memory before it exists anywhere more accessible: recorded, catalogued, but not yet fully described in any public-facing source.

Holy wells are among the oldest continuously used sacred sites in Ireland, pre-Christian in origin but absorbed over centuries into Catholic devotional practice. They were, and in many places still are, associated with patron saints, with cures for specific ailments, and with the ritual known as the pattern, from the Irish word for patron, which brought communities together on a saint's feast day to walk a set circuit, pray, and sometimes tie offerings of cloth to nearby bushes or trees. Mayo is particularly rich in such sites, its landscape quietly dotted with wells that draw pilgrims and the curious alike, some well-maintained and visited annually, others half-forgotten and overgrown. Where Dookinelly's well falls on that spectrum, what saint's name it might carry, or what traditions cling to it, remains to be documented in any detail that has reached the wider record.