In Irish mythology it is said that the river was created by the goddess Boann ('queen' or 'goddess'), according to F. Dinneen, lexicographer of the Irish Gaelic language, and Boyne is an anglicised form of the name.
Na mitoloxía irlandesa dise que o río foi creado pola deusa Boann ('raíña' ou 'deusa'), segundo F. Dinneen, lexicógrafo da lingua gaélica irlandesa, sendo Boyne a forma anglicanizada do nome.