The slave ship John and Henry departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Martinique.

Vessel: John and Henry; flag: Great Britain; rig: Ship; estimated standardized tonnage: 268. People recorded in connection with the voyage: Captain: Dickson, James; Investor: Dickson, James; Investor: Dickson, Edward; Captain: Bicknell, James. The voyage began at Liverpool on 21 March 1805. Principal recorded place where captives were acquired: Bance/Bunce Island (Sierra Leone). Principal recorded disembarkation place: Martinique, place unspecified. Recorded outcome: Captured by the French - after embarkation of enslaved people.