Wonderful thread, but one important piece of information missing:
The connection to old Mddle-European lore by way of sound-relationship. Dainty Davey <--> Dairy Daisy, the famous daughter of a really big milk-producer from Worms, a city on the Rhine.
Her cows "gaed oot" their "gravy", it came with a "splash", was "pat i' ma hand" and, obviously on her curly head. She was called "The cream - hilled Daisy". Later generations forgot the girl´s real name, called her Creamhill and told stories about huns, gold and a sinister knight called Hagen. Very much later, a Scottish gentleman came inquiring about the true story, found out some details, wrote a song and went away again.
The German composer Wagner then took all the rubbish with gold and all and made a very loud and very long opera out of it.
Thanks for the entertainment! Andreas (Not the one who started it)