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

Vessel: May; flag: Great Britain; rig: Ship; estimated standardized tonnage: 312. People recorded in connection with the voyage: Captain: Smith, John; Investor: Smith, John; Captain: Carson, John; Investor: Carson, John; Captain: Forbes, William; Investor: Forbes, William. The voyage began at Liverpool on 6 September 1804. Principal recorded place where captives were acquired: Bight of Biafra and Gulf of Guinea Islands, port unspecified. Principal recorded disembarkation place: Suriname, place unspecified. Recorded outcome: Voyage completed as intended.