| Auth name | Display name | Birth year | Death year | Gender | Contribution Count |
|---|---|---|---|---|---|
| — | J. S. | — | — | Unknown | 3 |
| — | J. T. | — | — | Unknown | 1 |
| J.E. Cairnes | J.E. Cairnes | — | — | Unknown | 1 |
| J.G. Faithfull | J.G. Faithfull | — | — | Unknown | 1 |
| — | James Hollings, Esq. | — | — | Unknown | 1 |
| James Russell Lowell | James Russell Lowell | 1819 | 1891 | Male | 1 |
| James Wild, ed. Isaac Banks Robinson | James Wild, ed. Isaac Banks Robinson | — | — | Unknown | 1 |
| — | Jane Le Plastrier | — | — | Unknown | 4 |
| — | Jane Lewin | — | — | Unknown | 1 |
| — | Janet Kay Shuttleworth | — | — | Unknown | 1 |
| — | Jessie M. Saxby | — | — | Unknown | 2 |
| — | John Bennett | — | — | Unknown | 2 |
| — | John Churchill Brenan | — | — | Unknown | 2 |
| — | John Collins | — | — | Unknown | 1 |
| John Forster | John Forster | 1812 | 1876 | Male | 1 |
| John Frederic La Trobe Bateman | John Frederic La Trobe Bateman | — | — | Unknown | 1 |
| John George Fleet | John G. Fleet | — | — | Unknown | 2 |
| John Henry Freese, ed. | John Henry Freese, ed. | — | — | Unknown | 1 |
| — | John Plummer | — | — | Unknown | 1 |
| John Shirley | John Shirley | — | — | Unknown | 1 |
| John Smith | John Smith | — | — | Unknown | 1 |
| Joseph Benjamin Rundell | Joseph Benjamin Rundell | — | — | Unknown | 2 |
| Joshua Girling Fitch | Joshua Girling Fitch | — | — | Unknown | 1 |
| — | Julia Goddard | — | — | Unknown | 3 |
| Julia Kavanagh | Julia Kavanagh | 1824 | 1877 | Female | 1 |