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

Vessel: Tarleton; flag: Great Britain; rig: Ship; estimated standardized tonnage: 342. People recorded in connection with the voyage: Captain: Tarleton, John; Investor: Tarleton, John; Captain: Tarleton, Thomas; Investor: Tarleton, Thomas; Investor: Backhouse, Dan; Captain: Smith, Thomas; Investor: Smith, Thomas; Captain: Fairweather, Pat; Investor: Fairweather, Pat. The voyage began at Liverpool on 23 June 1785. 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: 18.0%. Recorded outcome: Voyage completed as intended.