Details of Joseph's birth are not known.

Joseph married Mary Rebecca Round in 1887 in the Barrow in Furness Registration District.

He had the following children from his marriage to Mary Rebecca Round:

- Albert Edward Kay

born on 28 September 1888 in Colne, Lancashire.

Joseph's second marriage was to Catherine Thompson Slane around 1893 in the Burnley Registration District.

Joseph's third marriage was to Louisa Hall in 1894 in the Burnley Registration District.

He had the following children from his marriage to Louisa Hall:

- Joseph Hall Kay	born around 1894 in Colne, Lancashire.
- Maggie Louisa Kay	born around 1895 in Colne, Lancashire.
- Walter Victor Kay	born around 1897 in Colne, Lancashire.
- Neville Kay	born around 1900 in Colne, Lancashire.

The places where he lived have been identified as:

From	To	Place	Source of Information
1901		14 York Street, Colne, Lancashire.	Note 1.

Details of Joseph's occupation are not known.

Notes - Sources of information:

1.	See 1901 Census.

Census Data:

Year	Address
1901	14 York Street, Colne, Lancashire.