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

Vessel: Mary; flag: Great Britain; rig: Ship; estimated standardized tonnage: 164. People recorded in connection with the voyage: Captain: Tarleton, John; Investor: Tarleton, John; Captain: Tarleton, Thomas; Investor: Tarleton, Thomas; Investor: Backhouse, Dan; Captain: Griffith, William; Investor: Griffith, William; Captain: Coupland. The voyage began at Liverpool on 24 November 1785. Principal recorded place where captives were acquired: Iles de Los (Sierra Leone). Principal recorded disembarkation place: Grenada, place unspecified. Recorded outcome: Voyage completed as intended.