The slave ship Maria Gertrudes arrived with enslaved Africans in Brazil. About 257 people had been taken aboard and approximately 254 arrived.

Vessel: Maria Gertrudes; flag: Portugal / Brazil; rig: Schooner; estimated standardized tonnage: 120. People recorded in connection with the voyage: Investor: Oliveira, Francisco Antônio de; Captain: Santana, Marcelino José de. The voyage began at Pernambuco, place unspecified on 7 January 1829. Principal recorded place where captives were acquired: Luanda (West Central Africa and St Helena). Principal recorded disembarkation place: Pernambuco, place unspecified. Recorded duration of the captives' Atlantic crossing: 20 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.