John William Hartley was born 8 April 1879 in Manchester, Lancashire, England, United Kingdom to James Hartley (1854-1928) and Margaret Hartley (1856-1904) and died 19 March 1950 Coventry, Warwickshire, England, United Kingdom of unspecified causes. He married Sarah Hall (1881-1967) 6 September 1903 in Chadderton, Lancashire, England, United Kingdom.
Children
| Name | Birth | Death | Joined with |
| Hilda Hartley (1906-1983) | |||
| Horace Hartley (1907-1967) | |||
| William Hartley (1910-1999) | |||
| Eva Hartley (1912-1983) | |||
| Dorothy Hartley (1913-2010) | |||
| Ida Hartley (1915-1919) | 1915 | 1919 | |
| Henry Hartley (1917-1989) | |||
| Alma Hartley (1919-2006) | |||
| Joan Hartley (1921-) | |||
| Mac Hartley (1924-1999) | 1924 | 1999 | Joyce Williams (1927-1980) |
Residences
Footnotes (including sources)
| ‡ General |
| Ω Birth |
| ₪ Wedding |
| ¢ Children |
| ¶ Death |