Scattered across townlands whose names often encode the very character of the land, these springs and pools were venerated long before Christianity arrived, and many were simply absorbed into the new faith rather than abandoned. The well at Derrygarriff, whose townland name combines the Irish words for oak wood and rough or rugged ground, belongs to this quiet tradition of sites that have outlasted the communities most closely associated with them.

The practice of visiting holy wells, known as pattern days, typically fell on the feast day of the saint to whom a well was dedicated. Devotees would walk a prescribed circuit, often barefoot, reciting prayers at fixed stations, and leave offerings such as rags, coins, or small medals tied to nearby trees or pressed into the ground beside the water. In Clare, this tradition remained vigorous well into the nineteenth century and, at some sites, considerably beyond it. The specific history of the Derrygarriff well, including its patron saint, the dates of any patterns once held there, and the precise form the devotions took, has not yet been documented in the available archaeological record.