The slave ship Marquis of Granby left the African coast carrying enslaved Africans toward Guadeloupe. About 360 people had been taken aboard.

Vessel: Marquis of Granby; flag: Great Britain; rig: Ship; estimated standardized tonnage: 272.3. People recorded in connection with the voyage: Captain: Boats, William; Investor: Boats, William; Captain: Crosbie, John; Investor: Crosbie, John; Investor: Lowndes, Charles; Captain: Cropper, Edward; Investor: Cropper, Edward; Investor: Trafford, William; Investor: Trafford, Richard; Investor: Rankine, William; Captain: Gawith, Samuel; Investor: Gawith, Samuel; Investor: Crosbie, William; Investor: Cook, Charles. The voyage began at Liverpool on 11 December 1759. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: Basse-Terre. Recorded outcome: Voyage completed as intended.