I got the song from Tommy Gilfellan when he was a student in Manchester circa '62. I later met another guy from the NorthEast (name escapes me), Ken or Keith something I think. He had a slightly different last two lines which I nabbed for my own version.
'The party went back to the station; and carried the Duchess aboard.
As they waved her away, said the Town Clark "Lads, eh, we've forgotten to open the ward".