Recently Pilgrimage in Medieval Ireland visited the holy wells at Cranavane near Kildavin, Co. Carlow. Here is their blog:

Carnavane/Crann a Bhán (white tree) holy well, is located near the village of Kildavin in Co Carlow a short distance from the Wexford/Carlow border. The well has no patron but it was likely at one time dedicated to St Finian who was born at nearby Myshall. A stone beside the lower holy well is said […]

via Cranavane Holy Well Co Carlow — Pilgrimage In Medieval Ireland