The slave ship John arrived with enslaved Africans in Guyana. About 187 people had been taken aboard and approximately 168 arrived.

Vessel: John; flag: Great Britain; rig: Ship; estimated standardized tonnage: 159. People recorded in connection with the voyage: Captain: Tarleton, John; Investor: Tarleton, John; Captain: Brown, William; Investor: Brown, William; Investor: Backhouse, Dan. The voyage began at Liverpool on 7 June 1800. Principal recorded place where captives were acquired: Cape Coast Castle (Gold Coast). Principal recorded disembarkation place: Demerara. Recorded outcome: Voyage completed as intended.