The slave ship Polly left the African coast carrying enslaved Africans toward Barbados. About 150 people had been taken aboard.

Vessel: Polly; flag: U.S.A.; rig: Brig; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Ferguson, Robert; Investor: Mason, Benjamin. The voyage began at Rhode Island, port unspecified on 27 April 1767. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: Codes without labels. Estimated mortality during the crossing: 12.0%. Recorded outcome: Voyage completed as intended.