Townland of Cross which contains Coolanlough Clachan
| Year | Population | Houses |
| 1841 | 95 | 15 |
| 1851 | 113 | 16 |
| 1861 | 87 | 16 |
| 1871 | 81 | 15 |
| 1881 | 63 | 11 |
| 1891 | 57 | 10 |
| 1901 | 32 | 9 |
| 1911 | 33 | 8 |
| 1926 | 30 | 7 |
These figures have been copied from the official Census of Population of Ireland for each of the years.