Black Jack Davy is a varrient of Raggle Taggle Gypsy, Gypsy Davie, Nine Yellow Gypsies, Whistling Gypsy, and a couple of - maybe hundreds of others. Most likely origionaly Scotish, as the Romanichal community is more found in Scotland than Ireland, where there is a decendant culture, Pavees or Travellers, but fewer Rom - Cheers, Larry