Isaac Duckworth (1724-91)
Isaac Duckworth was born at Manningham near Bradford, Yorkshire. At the of twenty he heard George Whitefield preach at Haworth. He subsequently joined the Methodists and underwent a conversion experience.
In 1760 he moved to Bristol and lived at the New Room where he formed a close relationship with Charles Wesley. He often accompanied Wesley to London.
After moving back to Bradford, he lived with his brother and sister. Their house was used by the preachers for holding worship. Duckworth himself was a diligent class leader and had a considerable reputation for holiness of character.
Source: Arminian Magazine 1793, 246-250