The slave ship Mesny left the African coast carrying enslaved Africans toward Haiti. About 486 people had been taken aboard.

Vessel: Mesny; flag: France; estimated standardized tonnage: 343.1. People recorded in connection with the voyage: Investor: Grandclos-Meslé, de; Captain: Jallobert de Monville. The voyage began at Saint-Malo on 13 June 1769. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 54 days. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.