Grayson Dyson Porter was born 10 April 1842 in Wollombi, New South Wales, Australia to George Driver Porter (1797-1878) and Elizabeth Poast (1810-1882) and died 24 December 1923 "White Rock", Wallabadah, New South Wales, Australia of unspecified causes. He married Catherine Green (1848-1936) 16 April 1871 in Wallabadah, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| Mary Elizabeth Porter (1872-1948) | 1872 Wallabadah, New South Wales, Australia | 22 November 1948 Wallabadah, New South Wales, Australia | |
| George Driver Porter (1873-1958) | 1873 Tamworth, New South Wales, Australia | 1958 Quirindi, New South Wales, Australia | Lillian Frances Rixon (1892-1939) |
| Jane Sarah Porter (1874-1935) | |||
| John Henry Porter (1876-1940) | |||
| Thomas Porter (1878-1952) | |||
| Hartley Carr Porter (1880-1968) | 1880 Tamworth, New South Wales, Australia | 1968 Tamworth, New South Wales, Australia | Isabella Mabel Porter (1886-1964) |
| John Henry Porter (1883-1940) | |||
| Isabella Porter (1883-1906) | |||
| Victoria Porter (1885-1971) | |||
| Esther Agnes Porter (1887-1963) | |||
| Ada Sophia Porter (1889-1951) | |||
| William Sylvester Porter (1890-1974) | |||
| James Grayson Porter (1893-1961) | 11 August 1893 "White Rock", Quirindi, New South Wales, Australia | 14 July 1961 Quirindi, New South Wales, Australia | Mary Bernadine Doolan (1890-1969) |
| Mabel Ethel May Porter (1896-1972) | |||
| Arthur Henry Porter (1900-) | |||
Footnotes (including sources)
| ‡ General |