The slave ship Martha departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Dominica.

Vessel: Martha; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 146.3. People recorded in connection with the voyage: Investor: Collard, John; Investor: Muir, Hugh; Captain: Collins, Thomas. The voyage began at Bristol on 24 December 1784. Principal recorded place where captives were acquired: Calabar (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Dominica, place unspecified. Estimated mortality during the crossing: 35.0%.