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

Vessel: Mary; flag: Great Britain; rig: Ship; estimated standardized tonnage: 164. People recorded in connection with the voyage: Captain: Tarleton, John; Investor: Tarleton, John; Investor: Backhouse, Dan; Captain: Fairweather, Pat; Investor: Fairweather, Pat; Captain: Harrison, Robert; Investor: Harrison, Robert. The voyage began at Liverpool on 26 August 1786. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Dominica, place unspecified. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.