The slave ship Philadelphia departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Antigua and Barbuda.

Vessel: Philadelphia; flag: Great Britain; rig: Ship; estimated standardized tonnage: 257.3. People recorded in connection with the voyage: Investor: Haliday, William; Investor: Dunbar, Thomas; Captain: McGill, William. The voyage began at Liverpool on 22 October 1766. Principal recorded place where captives were acquired: West Central Africa and St Helena, port unspecified. Principal recorded disembarkation place: Saint John (Antigua). Recorded outcome: Voyage completed as intended.