Surname Gallachoir (Gallachoir 
) , in the world, is a very rare family name. The cognomen Gallachoir is characteristic of Northern Europe, particularly Ireland, where it is a rare surname, and Norway, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gallachoir | Norway, Ireland |
| brian o gallachoir researcher, ORCID id # 0000-0002-6608-5997 |
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