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Last name Dunnagan (Dunnagan
) , across the world, is a rare surname. The cognomen Dunnagan is characteristic of the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. Not in comparison with a country's population, it is commonest in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Dunnagan | Canada, France, United States, United Kingdom, Germany |