| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Hackballs Cross | city | County Louth | Ireland | 54.0316667 | -6.5147222 | 193 | 9070 |
| Hacketstown | city | Port Lairge | Ireland | 52.2438889 | -7.3311111 | 488 | 4655 |
| Hacketstown | city | County Carlow | Ireland | 52.8638889 | -6.5569444 | 498 | 4384 |
| Hackett's Cross | city | County Louth | Ireland | 53.8016667 | -6.2555556 | 3 | 6949 |
| Hackettʼs Cross | city | County Louth | Ireland | 53.8016667 | -6.2555556 | 3 | 6949 |
| Hackstown Bridge | city | Tiobraid Arann | Ireland | 52.8969444 | -8.1325 | 396 | 2839 |
| Hagansgate Cross Roads | city | Loch Garman | Ireland | 52.2527778 | -6.9005556 | 104 | 3915 |
| Haggard | city | Cill Chainnigh | Ireland | 52.3525 | -7.0786111 | 479 | 3336 |
| Haggard Bridge | city | Loch Garman | Ireland | 52.2383333 | -6.8805556 | 68 | 3306 |
| Halls | city | County Leitrim | Ireland | 53.9866667 | -7.8080556 | 249 | 1394 |
| Hamilton's Bridge | city | Cill Dara | Ireland | 53.3005556 | -6.9252778 | 242 | 7025 |
| Hamiltonʼs Bridge | city | Cill Dara | Ireland | 53.3005556 | -6.9252778 | 242 | 7025 |
| Haremount | city | | Ireland | 52.15 | -9.4 | 498 | 2423 |
| Harlinstown | city | An Mhi | Ireland | 53.7177778 | -6.5775 | 101 | 4419 |
| Harney's Cross Roads | city | Port Lairge | Ireland | 52.3344444 | -7.6180556 | 1010 | 3889 |
| Harneyʼs Cross Roads | city | Port Lairge | Ireland | 52.3344444 | -7.6180556 | 1010 | 3889 |
| Harold's Cross | city | Baile Atha Cliath | Ireland | 53.3263889 | -6.2947222 | 124 | 103037 |
| Haroldʼs Cross | city | Baile Atha Cliath | Ireland | 53.3263889 | -6.2947222 | 124 | 103037 |
| Harpers Town | city | County Donegal | Ireland | 54.7688889 | -7.6602778 | 406 | 2605 |
| Harristown | city | Laois | Ireland | 52.8338889 | -7.6191667 | 472 | 2840 |
| Harristown | city | Cill Chainnigh | Ireland | 52.4061111 | -7.2444444 | 452 | 3326 |
| Harristown | city | Cill Dara | Ireland | 53.1436111 | -6.6730556 | 410 | 7141 |
| Harristown | city | Loch Garman | Ireland | 52.3522222 | -6.6402778 | 193 | 4050 |
| Harristown Cross Roads | city | Laois | Ireland | 52.8413889 | -7.6133333 | 456 | 2840 |
| Harrylock | city | Loch Garman | Ireland | 52.1627778 | -6.8872222 | 3 | 944 |
| Hartstown | city | | Ireland | 52.9666667 | -6.7333333 | 744 | 5095 |
| Hartstown | city | Baile Atha Cliath | Ireland | 53.3930556 | -6.4269444 | 154 | 60153 |
| Haughtons Bridge | city | Cill Mhantain | Ireland | 52.8675 | -6.0647222 | 0 | 1662 |
| Hawarden Bridge | city | Tiobraid Arann | Ireland | 52.5561111 | -8.1155556 | 433 | 2860 |
| Hawkshaws Bridge | city | Loch Garman | Ireland | 52.3205556 | -6.7022222 | 134 | 4054 |
| Hawkstown | city | Cill Mhantain | Ireland | 52.9663889 | -6.0925 | 246 | 4495 |
| Hawkswood | city | County Offaly | Ireland | 53.2244444 | -7.4811111 | 308 | 2674 |
| Hawthorn Hill | city | Corcaigh | Ireland | 51.7711111 | -8.615 | 249 | 5229 |
| Hay's Bridge | city | An Mhi | Ireland | 53.6766667 | -6.6125 | 249 | 4159 |
| Hayes Bridge | city | Corcaigh | Ireland | 51.6666667 | -8.75 | 134 | 5077 |
| Hayes Cross Roads | city | Corcaigh | Ireland | 51.5905556 | -8.9477778 | 249 | 4814 |
| Hays | city | An Mhi | Ireland | 53.6766667 | -6.6125 | 249 | 4159 |
| Hayʼs Bridge | city | An Mhi | Ireland | 53.6766667 | -6.6125 | 249 | 4159 |
| Headford | city | Gaillimh | Ireland | 53.4666667 | -9.1 | 137 | 2403 |
| Headley Bridge | city | Ciarrai | Ireland | 52.3194444 | -9.3594444 | 501 | 2610 |
| Heatheryhill | city | County Donegal | Ireland | 54.9155556 | -7.5530556 | 987 | 2311 |
| Heathtown Cross Roads | city | An Mhi | Ireland | 53.6083333 | -6.3375 | 475 | 31197 |
| Hedgetown | city | Gaillimh | Ireland | 53.2394444 | -8.5513889 | 239 | 2881 |
| Heirhill | city | Ciarrai | Ireland | 52.4186111 | -9.8122222 | 226 | 1214 |
| Helen Park | city | Tiobraid Arann | Ireland | 52.5697222 | -7.7019444 | 501 | 2860 |
| Hell Bridge | city | An Clar | Ireland | 52.8402778 | -8.8288889 | 170 | 2510 |
| Hemming's Ville | city | Gaillimh | Ireland | 53.2133333 | -8.0297222 | 180 | 2699 |
| Hemmingʼs Ville | city | Gaillimh | Ireland | 53.2133333 | -8.0297222 | 180 | 2699 |
| Hempstown | city | Cill Mhantain | Ireland | 53.2022222 | -6.5011111 | 895 | 8847 |
| Henley's Bridge | city | Corcaigh | Ireland | 51.9088889 | -8.5780556 | 209 | 5215 |
| Henleyʼs Bridge | city | Corcaigh | Ireland | 51.9088889 | -8.5780556 | 209 | 5215 |
| Henry Bridge | city | Cill Dara | Ireland | 53.2969444 | -6.5869444 | 229 | 7234 |
| Herbertstown | city | County Limerick | Ireland | 52.5186111 | -8.4655556 | 242 | 5475 |
| Hermitage | city | | Ireland | 52.3 | -6.45 | 3 | 2704 |
| High Street | city | | Ireland | 53.0333333 | -8.0666667 | 252 | 2829 |
| High Town | city | County Donegal | Ireland | 54.805 | -7.6433333 | 127 | 2316 |
| Highstreet | city | County Offaly | Ireland | 53.2511111 | -7.9416667 | 187 | 2659 |
| Hightown | city | Corcaigh | Ireland | 52.0330556 | -8.2797222 | 495 | 5201 |
| Highwood | city | Sligeach | Ireland | 54.0722222 | -8.2786111 | 301 | 2400 |
| Hill Head | city | County Donegal | Ireland | 55.1213889 | -7.4258333 | 255 | 1934 |
| Hill House | city | County Offaly | Ireland | 53.22 | -7.8472222 | 239 | 2657 |
| Hill Street | city | | Ireland | 53.8833333 | -8.0833333 | 232 | 1740 |
| Hill Town | city | | Ireland | 54.6833333 | -8.3333333 | 807 | 2193 |
| Hill View | city | Cill Dara | Ireland | 52.9661111 | -6.8122222 | 488 | 6854 |
| 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 |
| Hillville | city | Ciarrai | Ireland | 52.1105556 | -9.7736111 | 19 | 2316 |
| Hodgestown | city | Cill Dara | Ireland | 53.3222222 | -6.8186111 | 298 | 7147 |
| Hogan's Bridge | city | An Clar | Ireland | 52.8458333 | -9.3755556 | 249 | 1989 |
| Hogane's Bridge | city | County Limerick | Ireland | 52.6219444 | -8.9675 | 16 | 5355 |
| Hoganeʼs Bridge | city | County Limerick | Ireland | 52.6219444 | -8.9675 | 16 | 5355 |
| Hoganʼs Bridge | city | An Clar | Ireland | 52.8458333 | -9.3755556 | 249 | 1989 |
| Hollyford | city | Tiobraid Arann | Ireland | 52.6322222 | -8.1086111 | 997 | 2853 |
| Hollyfort | city | Loch Garman | Ireland | 52.715 | -6.3441667 | 462 | 4026 |
| Hollymount | city | | Ireland | 53.65 | -9.1166667 | 187 | 1817 |
| Hollymount | city | Gaillimh | Ireland | 53.0919444 | -8.7130556 | 265 | 2888 |
| Hollywood | city | Ciarrai | Ireland | 51.8297222 | -9.8955556 | 114 | 1443 |
| Hollywood | city | Cill Mhantain | Ireland | 53.0933333 | -6.6080556 | 915 | 5650 |
| Holme | city | | Ireland | 55.15 | -7.7166667 | 393 | 1840 |
| Holmes's Town | city | County Donegal | Ireland | 54.8230556 | -7.6311111 | 295 | 2316 |
| Holmestown | city | Loch Garman | Ireland | 52.3475 | -6.5783333 | 177 | 4038 |
| Holmesʼs Town | city | County Donegal | Ireland | 54.8230556 | -7.6311111 | 295 | 2316 |
| Holy's Cross Roads | city | Corcaigh | Ireland | 52.1761111 | -8.7727778 | 341 | 5178 |
| Holycross | city | County Limerick | Ireland | 52.5058333 | -8.5380556 | 278 | 5475 |
| Holycross | city | Tiobraid Arann | Ireland | 52.6397222 | -7.8630556 | 291 | 2853 |
| Holyʼs Cross Roads | city | Corcaigh | Ireland | 52.1761111 | -8.7727778 | 341 | 5178 |
| Hooper's Cross Roads | city | County Carlow | Ireland | 52.7330556 | -6.9019444 | 505 | 4226 |
| Hooperʼs Cross Roads | city | County Carlow | Ireland | 52.7330556 | -6.9019444 | 505 | 4226 |
| Hores Mead Bridge | city | Loch Garman | Ireland | 52.3027778 | -6.7366667 | 68 | 4038 |
| Horse and Jockey | city | Tiobraid Arann | Ireland | 52.6163889 | -7.7752778 | 459 | 2857 |
| Horsehead | city | Corcaigh | Ireland | 51.8755556 | -8.3444444 | 16 | 5035 |
| Horseleap | city | | Ireland | 53.4666667 | -8.6666667 | 403 | 2864 |
| Horseleap Cross Roads | city | | Ireland | 53.4666667 | -8.6666667 | 403 | 2864 |
| Hortland | city | Cill Dara | Ireland | 53.3775 | -6.7861111 | 291 | 6303 |
| Hospital | city | County Limerick | Ireland | 52.4730556 | -8.4305556 | 255 | 5276 |
| 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 |
| Howth | city | Baile Atha Cliath | Ireland | 53.3877778 | -6.0652778 | 3 | 13608 |
| Huband Bridge | city | Cill Dara | Ireland | 53.2655556 | -6.8636111 | 318 | 7152 |
| Hugginstown | city | Cill Chainnigh | Ireland | 52.4525 | -7.2466667 | 452 | 3322 |
| Hughstown | city | Cill Dara | Ireland | 52.9427778 | -6.7605556 | 534 | 6196 |
| Huntington | city | Laois | Ireland | 53.1277778 | -7.1680556 | 324 | 2803 |
| Hunts Grove | city | Tiobraid Arann | Ireland | 52.7583333 | -8.0780556 | 958 | 2846 |
| Hurlers Cross | city | An Clar | Ireland | 52.7155556 | -8.8302778 | 3 | 2697 |
| Hyinenstown | city | Tiobraid Arann | Ireland | 52.4472222 | -7.9455556 | 252 | 2867 |
| Hynestown | city | Baile Atha Cliath | Ireland | 53.5772222 | -6.2836111 | 488 | 88714 |
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