The slave ship Heureux left the African coast carrying enslaved Africans toward Haiti. About 334 people had been taken aboard.

Vessel: Heureux; flag: France; estimated standardized tonnage: 272.3. People recorded in connection with the voyage: Investor: Grandclos-Meslé, de; Captain: Ohier, Louis Athanase. The voyage began at Saint-Malo on 22 July 1764. Principal recorded place where captives were acquired: Malembo (West Central Africa and St Helena). Principal recorded disembarkation place: Léogane. Recorded duration of the captives' Atlantic crossing: 76 days. Estimated mortality during the crossing: 12.0%. Recorded outcome: Voyage completed as intended.