| Reference Number | WJTS/2/38 |
| Title | 41 - Family size, 1911 |
| Date | [1910s] |
| Creator Name | Mason, Thomas Holmes, 1877-1958 |
| Thompson, Sir William John, 1861-1929 |
| Description | Glass lantern slide showing the average number of children born alive, still living and who have died per family. Numbers are provided by Six County Boroughs, Dublin Registration Area, Belfast County Borough and the whole of Ireland. |
| Extent | 1 slide |
| Term | Censuses |
| Population Characteristics |
| Family Characteristics |