William Lack was the son of Edwin Lack and Sarah Ann Lavender.

William was born around 1865 in Wolverhampton, Staffordshire.

He was christened on Friday 17 February 1865 at St John's Church, Wolverhampton, Staffordshire.

William married Ellen Rochell in 1893 in Wolverhampton, Staffordshire.

He had the following children from his marriage to Ellen Rochell:

- Sarah Ellen Lack	born around 1898 in Wolverhampton, Staffordshire.
- William Edwin Lack	born around 1900 in Wolverhampton, Staffordshire.

William was a Sign Enameller.

Details of William's death are not known.

Census Data:

Year	Address
1871	No 1 Court, Poutney Street, Wolverhampton, Staffordshire.
1881	1 Court, Pountnay Street, Wolverhampton, Staffordshire.
1891	18, Bromley Street, Wolverhampton, Staffordshire.
1901	18, Hall Street, Wolverhampton, Staffordshire.
1911	67, Pearson Street, Wolverhampton, Staffordshire.