The slave ship Ann left the African coast carrying enslaved Africans toward Saint Vincent and the Grenadines. About 215 people had been taken aboard.

Vessel: Ann; flag: Great Britain; rig: Ship; estimated standardized tonnage: 129. People recorded in connection with the voyage: Investor: Ingram, F; Investor: Butler, Chris; Captain: Rigby, James; Investor: Rigby, James; Captain: Giles, James. The voyage began at Liverpool on 11 July 1791. Principal recorded place where captives were acquired: Bight of Benin, place unspecified. Principal recorded disembarkation place: St Vincent, port unspecified. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.