Refs. the folk tune usu. cite "With My Love on the Road" in Joyce, 1909:

https://tunearch.org/wiki/Banks_of_the_Bann_(The)


While several bars are identical to "Slane" and the Lloyd/Collins version of "The Banks of the Bann," Joyce's melody is less graceful.

Are we sure that "The Banks of the Bann" was traditionally sung to "Slane"? Or to Joyce's variant? Or was it to something else?