The surname is actually Thackray and if you type that (Thatckray) in the Filter box and set the Age drop-down to 3 years you'll get 2 threads about him. If you click the Looking for Jake Thackray songs thread you'll find in there a link to an unofficial Jake Thackray site. Scroll down there to the discography and look for The Castleford Ladies Magic Circle and the link there will take you to the words.

Mick