The name Delias is a boy's name of Greek origin meaning "from Delos". Delias and is often added to user-created lists like Classic Boy's Names No One's Using and discussed in our forums with posts like "A brother or sister for little Jack or Olivia".
From the experts:
A rarely used name meaning from Delos, a sacred island to the ancient Greeks. A more interesting and musical choice might be Delius, after the British-born composer of lush rhapsodies.