Definition of "Delia"

Sentiment hallows the vowels of Delia;/Sweet simplicity breathes from Rose;

~1886, William Ernest Henley, A Ballade of Ladies' Names, Gleeson White: Ballades and Rondeaus, Read Books 1887, page 19

"I'm Delia Grinstead," she told him. - - - "I don't believe I've ever run into a Delia before." "Well, it's Cordelia, really. My father named me that."

1995, Anne Tyler, Ladder of Years, Knopf, page 8