William Pinnock was the son of John Pinnock and Mary Lavender.

William was born around 1778.

He was christened on Friday 11 September 1778 at St Thomas' Church, Dudley, Worcestershire.

William married Harriet Dixon on Wednesday 25 January 1809 in St Thomas' Church, Dudley, Worcestershire.

Details of William's occupation are not known.

Details of William's death are not known.