For interested readers, the Tocher piece can be seen (and heard) online at  http://www.pearl.arts.ed.ac.uk/Tocher/Vol-40/40-205/40-205fr.html

The Roud Folk Song Index doesn't list this one as yet. On the face of it, it seems pretty unlikely that any more of it is known than in this sole example; but you never know what might come up, of course.