| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Tarrea | city | Gaillimh | Ireland | 53.1644444 | -8.9313889 | 6 | 2396 |
| Terranea | city | Gaillimh | Ireland | 53.2752778 | -9.6597222 | 0 | 1342 |
| Terryland | city | Gaillimh | Ireland | 53.2888889 | -9.0547222 | 3 | 1509 |
| The Fishpond Cross Roads | city | Gaillimh | Ireland | 53.1644444 | -8.6733333 | 308 | 2885 |
| The Green Door | city | Gaillimh | Ireland | 53.1236111 | -8.2416667 | 347 | 2386 |
| Tiaquin | city | Gaillimh | Ireland | 53.3597222 | -8.6333333 | 242 | 2871 |
| Tine | city | Gaillimh | Ireland | 53.1494444 | -8.3725 | 246 | 2885 |
| Tirneevin | city | Gaillimh | Ireland | 53.0641667 | -8.8830556 | 144 | 2767 |
| Tobar Pheadair | city | Gaillimh | Ireland | 53.115 | -8.7413889 | 190 | 2888 |
| Toberelatan | city | Gaillimh | Ireland | 53.1372222 | -8.6963889 | 452 | 2885 |
| Tonabrocky | city | Gaillimh | Ireland | 53.2888889 | -9.1275 | 68 | 1960 |
| Tonagarraun | city | Gaillimh | Ireland | 53.3811111 | -9.094444 | 65 | 1629 |
| Tonamace | city | Gaillimh | Ireland | 53.3930556 | -9.0386111 | 72 | 2592 |
| Tonroe | city | Gaillimh | Ireland | 53.2402778 | -8.8886111 | 9 | 2687 |
| Toombeola | city | Gaillimh | Ireland | 53.4361111 | -9.8719444 | 3 | 2221 |
| Tooravoola | city | Gaillimh | Ireland | 53.0566667 | -8.6402778 | 479 | 2789 |
| Tooreengarve | city | Gaillimh | Ireland | 53.2958333 | -9.5944444 | 3 | 1757 |
| Tooreeny | city | Gaillimh | Ireland | 53 | -8.3833333 | 223 | 2345 |
| Trawbaun | city | Gaillimh | Ireland | 53.2411111 | -9.6605556 | 3 | 904 |
| Tuaim | city | Gaillimh | Ireland | 53.5166667 | -8.85 | 150 | 2860 |
| Tuam | city | Gaillimh | Ireland | 53.5166667 | -8.85 | 150 | 2860 |
| Tubber | city | Gaillimh | Ireland | 52.9988889 | -8.8852778 | 154 | 2591 |
| Tullaghnanoon | city | Gaillimh | Ireland | 53.3322222 | -9.2841667 | 485 | 2874 |
| Tullanwicky | city | Gaillimh | Ireland | 53.3613889 | -8.4808333 | 249 | 2871 |
| Tullokyne | city | Gaillimh | Ireland | 53.3755556 | -9.1380556 | 29 | 1927 |
| Tully | city | Gaillimh | Ireland | 53.1927778 | -8.1647222 | 232 | 2792 |
| Tully Cross | city | Gaillimh | Ireland | 53.5883333 | -9.9619444 | 72 | 1195 |
| Tullywee Bridge | city | Gaillimh | Ireland | 53.5613889 | -9.9172222 | 400 | 2292 |
| Turloughmore | city | Gaillimh | Ireland | 53.3747222 | -8.8647222 | 88 | 2871 |
| Twomileditch | city | Gaillimh | Ireland | 53.3038889 | -8.9977778 | 6 | 2625 |
| Tynagh | city | Gaillimh | Ireland | 53.1494444 | -8.3725 | 246 | 2885 |
| Tíne | city | Gaillimh | Ireland | 53.1494444 | -8.3725 | 246 | 2885 |
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