The slave ship William completed the voyage after transporting enslaved Africans to Antigua and Barbuda.

Vessel: William; flag: Great Britain; rig: Brigantine; estimated standardized tonnage: 182.3. People recorded in connection with the voyage: Captain: Eccles, John; Investor: Eccles, John; Investor: Davenport, William; Investor: Middleton, Richard; Captain: Perkins, John; Investor: Perkins, John; Captain: Hughes, Thomas; Investor: Hughes, Thomas; Captain: Jenkinson, William; Investor: Jenkinson, William; Investor: Maddocks, John; Captain: Lowndes, Francis; Investor: Lowndes, Francis; Investor: Chapman, James; Investor: Woods, Charles. The voyage began at Liverpool on 16 September 1766. Principal recorded place where captives were acquired: Cameroons (Bight of Biafra and Gulf of Guinea islands). Principal recorded disembarkation place: Saint John (Antigua). Estimated mortality during the crossing: 13.0%. Recorded outcome: Voyage completed as intended.