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Origin: Greek

Meaning: it's either from Eustachius, a Latin form of Greek Eustachys meaning "fruitful" from Greek elements eu (good) and stachus (ear of corn); or it could be from Eustathius, a Latinized form of Eustathios meaning "well-built" or "good stability" from Greek elements eu (good) and histemi (to stand up, to set up).

Nicknames: Stace, Stacy/Stacey

  • Eustice
  • Eustache (French)
  • Efstathios (Modern Greek)
  • Eustachio (Italian)
  • Eustaquio (Spanish, Portuguese)

Feminine forms:
  • Eustacia 
  • Stacia