The slave ship Polly left the African coast carrying enslaved Africans toward Barbados. About 192 people had been taken aboard.

Vessel: Polly; flag: Great Britain; rig: Ship; estimated standardized tonnage: 213. People recorded in connection with the voyage: Investor: Lycott, Philip; Investor: Maxwell, Thomas; Captain: Spellen, John; Investor: Cook, John. The voyage began at Barbados, place unspecified on 8 November 1786. Principal recorded place where captives were acquired: Cape Coast Castle (Gold Coast). Principal recorded disembarkation place: Barbados, place unspecified. Estimated mortality during the crossing: 16.0%.