The slave ship Union departed from Suriname after the slave-trading stage of the voyage.

Vessel: Union; flag: Great Britain; rig: Ship; estimated standardized tonnage: 216. People recorded in connection with the voyage: Captain: Thompson, James; Investor: Thompson, James; Captain: Clough, Samuel; Investor: Clough, Samuel; Captain: Thompson, William; Investor: Thompson, William; Captain: Tucker, Joseph; Investor: Tucker, Joseph. The voyage began at Liverpool on 18 March 1805. Principal recorded place where captives were acquired: Congo River (West Central Africa and St Helena). Principal recorded disembarkation place: Suriname, place unspecified. Recorded outcome: Voyage completed as intended.