John Addis was born around 1820 in Radnor.

John married Esther Round in 1853.

He had the following children from his marriage to Esther Round:

- Esther Jane Addis

born on 9 November 1871 in Woodside, Dudley, Worcestershire.

Details of John's occupation are not known.

John died when he was about 75 years old, in 1895.