The slave ship John Bull departed from Jamaica after the slave-trading stage of the voyage.

Vessel: John Bull; flag: Great Britain; rig: Ship; estimated standardized tonnage: 480. People recorded in connection with the voyage: Captain: Parkinson, John; Investor: Parkinson, John; Investor: Taylor, Michael; Captain: Bailey, Thomas; Investor: Bailey, Thomas; Investor: Cantrell, Ralph; Investor: Grimshaw, Roger [Martinique]. The voyage began at Liverpool on 5 September 1799. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Kingston. Recorded outcome: Voyage completed as intended.