The slave ship William departed from Dominica after the slave-trading stage of the voyage.

Vessel: William; flag: Great Britain; rig: Ship; estimated standardized tonnage: 261. People recorded in connection with the voyage: Investor: Neilson, William; Investor: Heathcoat, William; Captain: Lovelace, Edward; Captain: Bright, Richard. The voyage began at Liverpool on 10 August 1791. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Dominica, place unspecified. Estimated mortality during the crossing: 4.0%. Recorded outcome: Voyage completed as intended.