John Thomas Harrington was born around 1879 in Birmingham, Warwickshire.

John married Lily Mould in 1902 in Birmingham, Warwickshire.

He had the following children from his marriage to Lily Mould:

- Doris Lily Harrington	born around 1904 at Smethwick, Staffordshire.
- Janet Adelaide Harrington	born around 1907 at Smethwick, Staffordshire.

Details of John's occupation are not known.

Details of John's death are not known.