The slave ship Maria Tomásia arrived with enslaved Africans in Brazil. About 514 people had been taken aboard and approximately 507 arrived.

Vessel: Maria Tomásia; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Captain: Melo, Francisco Xavier Álvares de; Investor: Silva, Amaro Velho da. The voyage began at Rio de Janeiro on 17 June 1815. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 28 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.