The slave ship Maria Tomásia arrived with enslaved Africans in Brazil. About 565 people had been taken aboard and approximately 504 arrived.

Vessel: Maria Tomásia; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Captain: Melo, Francisco Xavier Álvares de; Investor: Velho; Investor: Velho (Viúva) (a) Leonarda Maria Velho da Mota. The voyage began at Rio de Janeiro on 19 March 1816. 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: 25 days. Recorded outcome: Voyage completed as intended.