Ancient Greek, Female, Greek mythology, Male, Mythology, Nature, Place names, Proto-Indo-European, S names, Sky/Heavens, Surname names, Unisex, Virtues/Attributes


Sidney comes from an English surname meaning “wide island” made up from Old English elements sidan (wide) and eg (island). It’s also possible that it comes from the name of a town in Normandy, France, St. Denis, Denis being the medieval French form of Dennis, the English form of Dionysius. Although the etymology of his name isn’t quite clear-cut, the first part of the name, Dio-, means “of Zeus” though it could also be related to Proto-Indo-European *dyews meaning “sky, heaven, god” and “shining”. The second part -nysus might be derived from Nysa, the name of a mountain in which Dionysios was raised by the nymphs who lived there; the name might be related to an archaic Greek word meaning “tree”.

Nicknames: Sid

Origin: Proto-Indo-European, Ancient Greek



  • Sydney (English)
  • Sydnee (English)
  • Sydnie (English)
  • Sydne (English)
  • Cydney (English)



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