Duvessa is the anglicized form of Dubh Essa meaning “black waterfall”, made up of Irish dubh (black; black-haired) and eas (waterfall, cascade, rapid). Dubh Essa (also spelled Dubhessa) was a fairy common given name in medieval Ireland, in the 13th/14th century.

Duvessa was used in Irish playwright M.J. Molloy’s play The Wooing of Duvessa (1964).

Origin: Proto-Indo-European

Meaning: “black waterfall”

Usage: medieval Irish


  • Dubh Essa (medieval Irish)
  • Dubhessa (medieval Irish(


Douglas is the anglicized form of Scottish surname Dubhghlas meaning “dark river” or “dark stream”, composed of Scottish Gaelic dubh (black) and glais (water; green). It comes from the name of a river in Scotland from which the name of the clan Douglas derives its name from.

Interestingly, Douglas was originally used as a unisex name in the early 17th and 18th century but eventually it only became used as a male name.

Origin: Proto-Indo-European

Meaning: “dark river” or “dark stream”

Usage: Scottish, English




  • Dubhghlas (Scottish)
  • Douglass (Scottish)