The slave ship Mary left the African coast carrying enslaved Africans toward Jamaica. About 195 people had been taken aboard.

Vessel: Mary; flag: Great Britain; rig: Brig; estimated standardized tonnage: 117. People recorded in connection with the voyage: Captain: Ward, Robert; Investor: Ward, Robert; Captain: Fisher, Ralph; Investor: Fisher, Ralph; Investor: Kewley; Investor: Kewley, Patrick; Investor: Aspinall, William; Captain: Spencer, John. The voyage began at Liverpool on 16 July 1794. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Kingston. Estimated mortality during the crossing: 1.0%. Recorded outcome: Sold in the Americas after disembarking enslaved people.