The slave ship Martha departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Saint Kitts and Nevis.

Vessel: Martha; flag: Great Britain; rig: Ship; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Ball, Thomas; Investor: Ball, Thomas; Investor: Cribb, Richard; Captain: Gildart, James; Investor: Gildart, James; Captain: Syers, John; Investor: Syers, John; Captain: Greenup, Thomas; Investor: Greenup, Thomas; Captain: Askew, Thomas. The voyage began at Liverpool on 31 May 1748. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: St Kitts, port unspecified.