The slave ship Iris departed from Jamaica after the slave-trading stage of the voyage.

Vessel: Iris; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 110.3. People recorded in connection with the voyage: Investor: Perry, Stephen; Investor: Farr, Richard (Sr); Investor: Munckley, Samuel; Captain: Mathews, John; Captain: Lewis, William. The voyage began at Bristol on 26 December 1747. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Kingston. Estimated mortality during the crossing: 38.1%. Recorded outcome: Voyage completed as intended.