William Jennings was the son of Daniel (Dan) Jennings and Sarah Calverley.

William was born around 1864 in Astley, Swillington, Yorkshire.

William married Ann Parker in 1891 in the Chorlton Registration District (Sep Quarter).

He had the following children from his marriage to Ann Parker:

- Dora Jennings	born around 1892 in Glass Houghton, Castleford, Yorkshire.
- Olive Jennings	born around 1894 in Castleford, Yorkshire.
- Mary Jennings	born around 1896 in Castleford, Yorkshire.
- Henry Seymour Jennings	born around 1899 in Castleford, Yorkshire.
- John Calverley Jennings	born on 10 February 1904 in Castleford, Yorkshire.
- William Parker Jennings	born around 1905 in Castleford, Yorkshire.

The places where he lived have been identified as:

From	To	Place	Source of Information
1864		Swillington, Yorkshire.	Note 1.
1871		Old Row, Astley, Swillington, Yorkshire.	Census Data.
1881		Woodrow, Methley, Yorkshire.	Census Data.
1891		23 Air Street, Castleford, Yorkshire.	Census Data.
1901		51 Denton Terrace, Castleford, Yorkshire.	Census Data.
1911		18 Morrison Street, Pontefract Road, Castleford, Yorkshire.	Census Data.

William was a Colliery Engine Stoker, and later a Watchmaker and Optician.

Details of William's death are not known.

Notes - Sources of information:

1.	See 1871 Census. William's birthplace.

Census Data:

Year	Address
1871	Old Row, Astley, Swillington, Yorkshire.
1881	Woodrow, Methley, Yorkshire.
1891	23 Air Street, Castleford, Yorkshire.
1901	51 Denton Terrace, Castleford, Yorkshire.
1911	18 Morrison Street, Pontefract Road, Castleford, Yorkshire.