E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Kildares Holy Fane.
Famous for the Fire of St. Bridget, which was inextinguishable, because the nuns never allowed it to go out. Every twentieth night St. Bridget returned to tend the fire. Part of the chapel of St. Bridget still remains, and is called The Firehouse.
Apud Kildariam occurrit ignis Sanctæ Brigidæ quem inextinguebilem vocant.Giraldus Cambrensis: Hibernia, ii. 34.