The slave ship Paez (a) Mazeppa arrived with enslaved Africans in Cuba. About 535 people had been taken aboard and approximately 385 arrived.

Vessel: Paez (a) Mazeppa; flag: U.S.A.; rig: Barque; estimated standardized tonnage: 236. People recorded in connection with the voyage: Captain: Palmer, William. The voyage began at Cuba, port unspecified on 22 March 1857. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Sagua. Recorded duration of the captives' Atlantic crossing: 45 days. Estimated mortality during the crossing: 28.0%. Recorded outcome: Captured by Spanish - after disembarkation.