“When a woman first takes ill in her confinement, unlock instantly every press and drawer in the house, but when the child is born, lock them all up again at once, for if care is not taken the fairies will get in and hide in the drawers and presses to be ready to steal away the mortal baby when they get the opportunity, and place some ugly, wizened changeling in the cradle beside the poor mother. Therefore every key should be turned; every lockmade fast; and if the fairies are hidden inside, let them stay there until all danger is over for the baby by the proper precautions being taken, such as a red coal set under the cradle, and a branch of mountain ash tied over it, or of the alder-tree, according to the sex of the child, for both trees have mystic virtues, probably because of the ancient superstition that the first man was created from an alder-tree, and the first woman from the mountain ash.
The fairies, however, are sometimes successful in carrying off a baby, and the mother finds in the morning a poor weakly little sprite in the cradle in place of her own splendid child. But should the mortal infant happen to grow up ugly, the fairies send it back, for they love beauty above all things; and the fairy chiefs greatly desire a handsome mortal wife, so that a handsome girl must be well guarded, or they will carry her off. The children of such unions grow up beautiful and clever, but are also wild, reckless and extravagant. They are known at once by the beauty of their eyes and hair, and they have a magic fascination that no one can resist, and also a fairy gift of music and song.”
- Irish Cures, Mystic Charms & Superstitions by Lady Wilde