We have here, surely, yet another example of the absurdity of trying to establish a definitive version of a traditional song. In some variants, there may indeed be the R&J-type 'incompatible backgrounds' theme; in others [which I must admit I prefer as more dramatic & more in keeping if one uses the 'False Bride' title: ~ "But now she has left me and shown me false play, For she's gone and got wed to some other"], he has been jilted. Both interpretations co-exist: live with it...

~Michael~