| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Hagansgate Cross Roads | city | Loch Garman | Ireland | 52.2527778 | -6.9005556 | 104 | 3915 |
| Haggard Bridge | city | Loch Garman | Ireland | 52.2383333 | -6.8805556 | 68 | 3306 |
| Harristown | city | Loch Garman | Ireland | 52.3522222 | -6.6402778 | 193 | 4050 |
| Harrylock | city | Loch Garman | Ireland | 52.1627778 | -6.8872222 | 3 | 944 |
| Hawkshaws Bridge | city | Loch Garman | Ireland | 52.3205556 | -6.7022222 | 134 | 4054 |
| Hillside | city | Loch Garman | Ireland | 52.1880556 | -6.8163889 | 0 | 1431 |
| Hilltown | city | Loch Garman | Ireland | 52.2747222 | -6.7063889 | 59 | 3911 |
| Hilltown | city | Loch Garman | Ireland | 52.2302778 | -6.4622222 | 16 | 3277 |
| Hilltown | city | Loch Garman | Ireland | 52.1925 | -6.4122222 | 3 | 2004 |
| Hollyfort | city | Loch Garman | Ireland | 52.715 | -6.3441667 | 462 | 4026 |
| Holmestown | city | Loch Garman | Ireland | 52.3475 | -6.5783333 | 177 | 4038 |
| Hores Mead Bridge | city | Loch Garman | Ireland | 52.3027778 | -6.7366667 | 68 | 4038 |
| Howlan's Cross Roads | city | Loch Garman | Ireland | 52.3066667 | -6.6725 | 196 | 4054 |
| Howlanʼs Cross Roads | city | Loch Garman | Ireland | 52.3066667 | -6.6725 | 196 | 4054 |
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