The first time I heard the song "Katy Cruel" was at the University of Toronto production of a folk opera of the same name. It was 1960, I believe. It was written by David Helwig and Michael Rasminsky. I have no idea what their sources were.

The title track was sung by the female lead. You can hear another song from "Katy Cruel" called "The Black Sailor" at

http://www.davidhelwig.com/gallery.htm

http://www.davidhelwig.com/gallery.htm