Thousands of them are recorded across the country, each carrying a name, a patron, and often a set of ritual practices that survived the official disapproval of successive centuries. The well at Rathwilladoon, in County Galway, is known as Tobereendoney, a name that folds together the Irish words for well, tobar, and Domhnach, an early term for Sunday or, in some place-name contexts, a church site associated with early Christian worship. That linguistic pairing alone suggests a site with layers, a place where water and devotion met at some point far enough back that the memory has settled into the name itself.

Holy wells in Ireland were typically associated with a local saint and visited on that saint's feast day as part of a pattern, the traditional rounds of prayer performed in a set sequence around the well and any nearby stones or bushes. The Galway landscape is particularly dense with such sites, many of them pre-dating the formal parish structures that eventually absorbed or displaced them. The townland of Rathwilladoon sits within this broader west Connacht tradition, where the boundaries between early Christian practice and older veneration of water sources were rarely sharp. Beyond the evidence carried in the place-name itself, the documentary record for this particular well remains sparse at present.