The slave ship Mary departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Jamaica.

Vessel: Mary; flag: Great Britain; rig: Ship; estimated standardized tonnage: 118. People recorded in connection with the voyage: Investor: Harper, William; Investor: Brade, Robert; Captain: Hornby, Charles. The voyage began at Liverpool on 8 July 1789. Principal recorded place where captives were acquired: Cape Mount (Cape Grand Mount) (Windward Coast). Principal recorded disembarkation place: Montego Bay. Recorded outcome: Voyage completed as intended.