The slave ship Saint Louis left the African coast carrying enslaved Africans toward Haiti. About 220 people had been taken aboard.

Vessel: Saint Louis; flag: France; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Le Maréchal de La Bretonnière, Chevalier; Investor: Prudhomme de Fontenay, Pierre; Investor: Gilles. The voyage began at Nantes on 24 January 1740. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 85 days. Estimated mortality during the crossing: 20.0%. Recorded outcome: Voyage completed as intended.