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

Vessel: John; flag: Great Britain; rig: Brigantine; estimated standardized tonnage: 56.3. People recorded in connection with the voyage: Investor: Mason, Edward; Captain: Roberts, John; Investor: Roberts, John; Captain: Taylor, Thomas; Investor: Taylor, Thomas; Investor: Fisher, Roger; Investor: Hunt, Peter; Investor: Green, Robert; Captain: Wane, Thomas; Investor: Hayes, James; Captain: Dickenson, George; Investor: Dickenson, George; Captain: Dawsey. The voyage began at Liverpool on 20 June 1766. Principal recorded place where captives were acquired: Delagoa (Sierra Leone). Principal recorded disembarkation place: Montserrat, port unspecified. Recorded outcome: Voyage completed as intended.