John Greenhough was the son of Thomas Greenhough and Sarah Tomlinson.

John was born around 1740.

He was christened on Saturday 11 June 1740 at Uttoxeter, Staffordshire.

John married Mary Farmer on Sunday 7 December 1760 in All Saints Church, Alrewas, Staffordshire.

He had the following children from his marriage to Mary Farmer:

- John Greenhough	born around 1762.
- Mary Greenhough	born around 1764.
- Thomas Greenhough	born around 1768.
- Richard Greenhough	born around 1769.
- Joseph Greenhough	born around 1773.
- Hannah Greenhough	born around 1781.
- Sarah Greenhough	born around 1784.

Details of John's occupation are not known.

Details of John's death are not known.

A John and Mary Greenoak died of putrid fever in January 1791 in Fradley. Despite the spelling of their surname, it is thought that it could be this John and his wife.