The slave ship Mersey departed from Guyana after the slave-trading stage of the voyage.

Vessel: Mersey; flag: Great Britain; rig: Ship; estimated standardized tonnage: 202. People recorded in connection with the voyage: Investor: Hayes, Thomas; Investor: Monkhouse, Graham; Captain: Bonsal, John. The voyage began at Liverpool on 6 October 1800. Principal recorded place where captives were acquired: Cape Mount (Cape Grand Mount) (Windward Coast). Principal recorded disembarkation place: Demerara. Recorded outcome: Voyage completed as intended.