| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Imleach | city | Ireland | 52.46 | -8.35 | 344 | 1895 | |
| Inchinsquillib | city | Ireland | 52.60 | -8.16 | 830 | 1440 | |
| Inchirourke | city | Ireland | 52.72 | -7.63 | 830 | 1476 | |
| Inchnamuck | city | Ireland | 52.31 | -8.05 | 249 | 865 | |
| Innislonagh | city | Ireland | 52.35 | -7.74 | 229 | 13888 | |
| Islands Bridge | city | Ireland | 52.55 | -7.51 | 367 | 1911 |