The slave ship Mercury left the African coast carrying enslaved Africans toward Grenada. About 310 people had been taken aboard.

Vessel: Mercury; flag: Great Britain; rig: Ship; estimated standardized tonnage: 236. People recorded in connection with the voyage: Investor: Collow, William; Captain: Bell, John; Captain: Fraser. The voyage began at Jamaica, place unspecified on 1790. Principal recorded place where captives were acquired: Anomabu (Gold Coast). Principal recorded disembarkation place: Grenada, place unspecified. Estimated mortality during the crossing: 3.0%. Recorded outcome: Voyage completed as intended.