Details of William's birth are not known.

William married Lettice Stokes on Tuesday 24 August 1802 in St Peter's Church, Wolverhampton, Staffordshire.

He had the following children from his marriage to Lettice Stokes:

- Edward Hayes	born around 1804.
- Penelope Stokes Hayes	born around 1805.
- Thomas Collins Hayes	born around 1806.
- Benjamin Stubbs Hayes	born around 1809.

Details of William's occupation are not known.