The slave ship Polly completed the voyage after transporting enslaved Africans to Barbados.

Vessel: Polly; flag: U.S.A.; rig: Brig; estimated standardized tonnage: 164.3. People recorded in connection with the voyage: Investor: Wanton, John; Captain: Child, Thomas. The voyage began at Rhode Island, port unspecified on 11 January 1768. Principal recorded place where captives were acquired: Cape Coast Castle (Gold Coast). Principal recorded disembarkation place: Barbados, place unspecified. Estimated mortality during the crossing: 20.0%. Recorded outcome: Voyage completed as intended.