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

Vessel: Mary; flag: Great Britain; rig: Brig; estimated standardized tonnage: 137. People recorded in connection with the voyage: Investor: Ingram, F; Investor: Butler, Chris; Captain: Rigby, James; Investor: Rigby, James; Captain: Hackney, Alexander. The voyage began at Liverpool on 20 November 1796. Principal recorded place where captives were acquired: Porto Novo (Bight of Benin). Principal recorded disembarkation place: Demerara. Recorded outcome: Captured before disembarking enslaved people; vessel recaptured or released subsequently.