The slave ship Baron de Montmorency departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Haiti.

Vessel: Baron de Montmorency; flag: France; estimated standardized tonnage: 160. People recorded in connection with the voyage: Captain: Le Grand; Investor: Le Grand; Captain: Massac, Jean. The voyage began at Le Havre on 4 May 1774. Principal recorded place where captives were acquired: Gabon (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 52 days. Estimated mortality during the crossing: 31.0%. Recorded outcome: Voyage completed as intended.