The slave ship Mary arrived with enslaved Africans in Jamaica. About 300 people had been taken aboard and approximately 159 arrived.

Vessel: Mary; flag: Great Britain; estimated standardized tonnage: 236.3. People recorded in connection with the voyage: Investor: Farr, Richard (Sr); Captain: Bibby, Robert. The voyage began at Bristol on 21 July 1731. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Jamaica, place unspecified. Estimated mortality during the crossing: 38.0%. Recorded outcome: Voyage completed as intended.