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

Vessel: Spencer; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Rigby, Thomas; Investor: Rigby, Thomas; Investor: Spencer, Lawrence; Investor: Manesty, Joseph; Captain: Chalmers, Thomas; Investor: Chalmers, Thomas; Captain: Roberts, Thomas; Investor: Roberts, Thomas. The voyage began at Liverpool on 7 July 1755. Principal recorded place where captives were acquired: Windward Coast, place unspecified. Principal recorded disembarkation place: Jamaica, place unspecified. Recorded outcome: Voyage completed as intended.