The slave ship Mary completed the voyage after transporting enslaved Africans to Grenada.

Vessel: Mary; flag: Great Britain; rig: Ship; estimated standardized tonnage: 155. People recorded in connection with the voyage: Captain: King, Thomas; Investor: King, Thomas; Captain: Calvert; Investor: Calvert; Investor: Camden, William; Captain: Thomson, James. The voyage began at London on 28 September 1789. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.