David Evans put this as a comment under my post, and I am moving it here to make it easier for others to find, it is interesting!
"I didn't know the song, but certainly understand the sentiment.
My father was Welsh. He was born near Cardiff in 1884 (yeah, yeah, he was in his 50s when I was born, and I'm an old geezer) and his family emigrated to Australia in 1888. Although they were not 'transported' that was the fate of my maternal great-grandparents, who were Irish. They met on a convict ship on the journey south, and stayed together.
Enjoyed reading it, SFA. (Thanks for the link, Virginia.) "