The slave ship S Lourenço departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: S Lourenço; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Carneiro, Francisco Joaquim; Captain: Vilasboas, João da Silveira. The voyage began at Bahia, place unspecified on 20 March 1817. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 24 days. Recorded outcome: Voyage completed as intended.