The slave ship John completed the voyage after transporting enslaved Africans to Guyana.

Vessel: John; flag: Great Britain; rig: Ship; estimated standardized tonnage: 268. People recorded in connection with the voyage: Investor: Bolton, John; Captain: Cox, Daniel; Captain: Phillips, David. The voyage began at Liverpool on 3 March 1805. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Demerara. Recorded outcome: Voyage completed as intended.