James Dyson married Fanny Hoffingham (an alias) on 10 September 1842
They had four children:
| George | Born | 18 August 1843 | Died | 7 November 1859 |
| Joseph * |
Born | 1 August 1845 | Died | 19 May 1912 |
| William | Born | 8 June 1847 | Died | 14 June 1915 |
| Hannah | Born | 22 May 1849 | Died | 16 January 1850 |
Dyson next hooked up with Jane Edwards nee Develin. Her two children born while she was still with Richard Edwards later took Dyson’s surname:
| Ellen Christina * |
Born | 11 January 1851 | Died | 19 May 1912 |
| James * |
Born | 25 January 1853 | Died | 23 August 1918 |
Children born to James and Jane before they were married:
| Thomas * |
Born | 15 January 1855 | Died | 22 July 1914 |
| Hannah * |
Born | 25 October 1856 | Died | 7 April 1902 |
| Andrew * |
Born | 30 October 1858 | Died | 17 April 1927 |
| John * |
Born | 26 February 1860 | Died | 13 May 1913 |
James and Jane eventually married on 25 February 1861.
| Matthew * |
Born | 12 June 1861 | Died | 14 April 1911 |
| Samuel | Born | 21 March 1863 | Died | 2 May 1864 |
| George | Born | 24 November 1864 | Died | 8 March 1928 |
| Samuel | Born | 10 September 1866 | Died | 12 July 1884 |
| Septimus | Born | 4 April 1868 | Died | 9 September 1938 |
| Octavius Charles * |
Born | 4 March 1870 | Died | 6 June 1929 |
| Mary Jane | Born | 9 April 1872 | Died | 15 June 1923 |
| Mabel Grace * |
Born | 27 December 1874 | Died | 5 November 1944 |
| Ethel May | Born | 9 March 1876 | Died | 4 January 1877 |
| Sydney Earnest | Born | 11 January 1878 | Died | 28 March 1879 |
| Sydney Earnest | Born | 16 November 1879 | Died | 21 April 1880 |
*These children in their turn, had surviving offspring.
The source of this material was a transcription from the Dyson family bible made in the mid 1990’s. I have never seen the original. I wonder who looks after it today?