For background on how the map was made (and its flaws), see the relevant blog entry.
| O'Horo | Very rare: Mayo. Ir. Ó h-Earchadha: see Horohoe, Haraghy. |
DEDs where O'Horo and a second surname are found together
This list shows total 1901 O'Horo households by county.
Click on the county to see detail.
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