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

Vessel: Polly; flag: U.S.A.; rig: Brig; estimated standardized tonnage: 164.3. People recorded in connection with the voyage: Captain: Child, Thomas. The voyage began at Rhode Island, port unspecified on 20 October 1766. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Barbados, place unspecified. Estimated mortality during the crossing: 5.0%. Recorded outcome: Voyage completed as intended.