The slave ship Polly arrived with enslaved Africans in Jamaica. About 387 people had been taken aboard and approximately 331 arrived.

Vessel: Polly; flag: Great Britain; rig: Ship; estimated standardized tonnage: 218.3. People recorded in connection with the voyage: Captain: Rowles, Samuel; Investor: Power, T; Investor: Bright, Henry; Investor: Bright, Allen; Investor: Richard; Investor: Rogers, Corsley; Investor: Pardoe, Francis; Investor: Matthew, W; Investor: Ames, Jeremiah; Investor: Tyndall. The voyage began at Bristol on 10 September 1747. Principal recorded place where captives were acquired: Gold Coast, port unspecified. Principal recorded disembarkation place: Kingston. Recorded outcome: Voyage completed as intended.