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

Vessel: Polly; flag: Great Britain; rig: Brigantine; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Boyd, Robert; Investor: Boyd, Robert; Investor: Robinson, Richard; Investor: Dingman, William; Investor: Hunter, William. The voyage began at Liverpool on 12 November 1764. Principal recorded place where captives were acquired: Bonny (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Barbados, place unspecified. Estimated mortality during the crossing: 36.0%. Recorded outcome: Voyage completed as intended.