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

Vessel: Mercury; flag: Great Britain; estimated standardized tonnage: 218.3. People recorded in connection with the voyage: Captain: Brown, William; Investor: Brown, William; Captain: Hamilton, D; Investor: Hamilton, D; Captain: Patten, Michael. The voyage began at Bristol on 8 March 1774. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Jamaica, place unspecified. Recorded outcome: Voyage completed as intended.