| Reference Number | WJTS/2/39 |
| Title | 49 - Net population loss, 1864-1911 |
| Date | [1910s] |
| Creator Name | Mason, Thomas Holmes, 1877-1958 |
| Thompson, Sir William John, 1861-1929 |
| Description | Glass lantern slide showing the net loss in the number of males and females in Ireland 'as indicated by the excess of emigration and death over births', between 1864 and 1911. |
| Extent | 1 slide |
| Term | Censuses |
| Population Characteristics |
| Emigration and Immigration -- trends |
| Birth Rate -- trends |
| Mortality -- trends |