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

Vessel: Trelawney; flag: Great Britain; rig: Ship; estimated standardized tonnage: 319. People recorded in connection with the voyage: Captain: Purnell, John; Investor: Purnell, John; Investor: Rogers, James; Investor: Blake, Richard; Captain: Crangle, Michael; Captain: King, Thomas; Investor: King, Thomas. The voyage began at Bristol on 28 July 1791. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Montego Bay. Estimated mortality during the crossing: 6.0%. Recorded outcome: Voyage completed as intended.