John Austin was born in Southwark, County of Surrey (Greater London) in 1792. He married Ann Jane (Unknown) before 1818. She was born in Southwark in 1796. They were the parents of James Aitken Austin (c. 18 April, 1824, Christ Church, Southwark, Surrey (Greater London), England). The family resided on Collingwood Street, right next to the parish church, Christ Church, Southwark. John died in 1827.

Besides James Aitken Austin, John and Ann had the following children:

1. Caroline Austin - c. 7 June, 1818, Christ Church, Southwark, Surrey (Greater London).

2. Mary Austin - c. 2 Jan. 1820, Christ Church, Southwark, London

3. William Austin - c. 22 April, 1821, Christ Church, Southwark, London

4. Emma Austin - c. 10 November, 1822, Christ Church, Southwark, London

5. Mary Austin - c. 23 April, 1826, Christ Church, Southwark, London

6. Mary Ann Austin - c. 16 July, Christ Church, Southwark, London

7. Charles Thomas Austin - 2 December, 1827, Christ Church, Southwark, Surrey (Greater London), England.