The slave ship Osíris arrived with enslaved Africans in Brazil. About 336 people had been taken aboard and approximately 281 arrived.

Vessel: Osíris; flag: Portugal / Brazil; rig: Brig. People recorded in connection with the voyage: Investor: Martins, Diogo Cândido; Captain: Azevedo, Cipriano José de. The voyage began at Southeast Brazil, port unspecified. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 37 days. Estimated mortality during the crossing: 16.0%.