The slave ship Catherine Gally left the African coast carrying enslaved Africans toward Antigua and Barbuda. About 709 people had been taken aboard.

Vessel: Catherine Gally; flag: Great Britain; estimated standardized tonnage: 269.3. People recorded in connection with the voyage: Captain: Morice, Humphry; Investor: Morice, Humphry; Captain: Dagge, John. The voyage began at London on 9 August 1728. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Antigua, place unspecified. Estimated mortality during the crossing: 4.7%. Recorded outcome: Voyage completed as intended.