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

Vessel: Mercury; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Investor: Backhouse, John; Investor: Backhouse, Thomas; Investor: Heywood, Arthur; Investor: Armstrong, John; Investor: Unsworth, Levinus; Investor: Ward, Thomas; Captain: Lawson, Alexander; Investor: Lawson, Alexander. The voyage began at Liverpool on 30 March 1750. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Barbados, place unspecified. Recorded outcome: Shipwrecked or destroyed, after embarkation of enslaved people or during slaving.