I didn’t know “Nimble Jack”…
Original author: Hugh M. McNally (Hmcnally) [e-mail]
I didn’t know “Nimble Jack” of nursery rhyme fame ever showed up in the game of jacks! Clearly more research is needed on this topic.
This seems to be a credible explanation of the origin of “Jack be nimble,” though…
http://www.rooneydesign.com/JackBeNimble.html