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

Vessel: Mars; flag: Great Britain; rig: Ship; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Investor: Johnson, Thomas; Captain: Holland, Francis; Investor: Holland, Francis; Captain: Earle, William; Investor: Earle, William; Captain: Birch, Thomas; Investor: Birch, Thomas; Investor: Watts, George Warren; Captain: Dennison, William; Investor: Dennison, William; Captain: Holland, Nehemiah; Investor: Holland, Nehemiah; Investor: Ward, Thomas; Investor: Seddon, Edward. The voyage began at Liverpool on 2 October 1769. Principal recorded place where captives were acquired: Cape Mount (Cape Grand Mount) (Windward Coast). Principal recorded disembarkation place: Jamaica, place unspecified. Estimated mortality during the crossing: 11.0%. Recorded outcome: Voyage completed as intended.