Family name Cuaig (Cuaig 
) , across the world, is an extremely rare last name. The surname Cuaig is characteristic of Northern Europe, particularly the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cuaig | United Kingdom |
| micheál ó cuaig Irish writer, IE (b. 1950) |
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| seosamh ó cuaig Member of the Galway County Council, IE |
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| cathal ó cuaig Irish radio broadcaster, IE |
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