| Auth name | Display name | Birth year | Death year | Gender | Contribution Count |
|---|---|---|---|---|---|
| Marian James | Marian James | — | — | Female | 1 |
| Mary Carpenter | Mary Carpenter | 1807 | 1877 | Female | 1 |
| Mary Carpenter | M. C. | — | — | Unknown | 7 |
| Mary Carpenter | M. C. | — | — | Unknown | 1 |
| Mary Clanchy | — | — | — | Unknown | 1 |
| Mary Eliza Rogers | Mary Eliza Rogers | 1827 | 1910 | Female | 1 |
| Mary Elizabeth Nunn | — | — | — | Unknown | 1 |
| Mary Louisa Boyle | Mary Louisa Boyle | — | — | Unknown | 2 |
| Mary Merryweather | Mary Merryweather | — | — | Unknown | 1 |
| Mary Sewell nee Wright | Unsigned | 1797 | 1884 | Unknown | 1 |
| Mary Taylor | Mary Taylor | — | — | Unknown | 1 |
| Mary Victoria Cowden Clarke | Mary Cowden Clarke | 1809 | 1898 | Female | 1 |
| Matilda Mary Hays | Matilda M. Hays | 1820 | 1897 | Unknown | 10 |
| Matthew Arnold | Matthew Arnold | 1822 | 1888 | Male | 1 |
| Motley | Motley | — | — | Unknown | 1 |
| Mrs. Boyes | Mrs. Boyes | — | — | Unknown | 1 |
| Mrs. Campbell | Mrs. Campbell | — | — | Unknown | 1 |
| Neptune | Neptune | — | — | Unknown | 1 |
| P. C. | P. C. | — | — | Unknown | 1 |
| Perowne, Edward Henry | Perowne, Edward Henry | — | — | Unknown | 1 |
| Queen Victoria | Queen Victoria | 1819 | 1901 | Female | 1 |
| R. J. Gilman | R. J. Gilman | — | — | Unknown | 1 |
| Rebecca Isaacs | — | — | — | Unknown | 1 |
| Rev. J. Forshall | Rev. J. Forshall | — | — | Unknown | 1 |
| Rev. Nathaniel Dimock | Rev. Nathaniel Dimock | — | — | Unknown | 1 |