The slave ship Polly arrived with enslaved Africans in Jamaica. About 317 people had been taken aboard and approximately 290 arrived.

Vessel: Polly; flag: Great Britain; rig: Ship; estimated standardized tonnage: 176. People recorded in connection with the voyage: Captain: Ainsworth, John; Investor: Ainsworth, John; Captain: Smale, Jno; Investor: Smale, Jno; Investor: Fairclough, Charles; Investor: Barnes, Joseph; Investor: Dwerryhouse, John; Investor: Walmough, Robert. The voyage began at Liverpool on 8 June 1798. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Kingston. Recorded outcome: Voyage completed as intended.