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

Vessel: Byam; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 166. People recorded in connection with the voyage: Captain: Bradley, John; Investor: Bradley, John; Captain: Begg, William; Investor: Begg, William; Captain: Mill, John; Investor: Mill, John; Captain: Irving, George; Investor: Irving, George; Investor: Frazer, John. The voyage began at Liverpool on 3 August 1805. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Demerara. Recorded outcome: Voyage completed as intended.