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Across the world, Kirwin (Kirwin
) is a rare male given name. The forename Kirwin is characteristic of South Africa, where it is a very rare boy's name, the United States, and Philippines. More prevalently, Kirwin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kirwin | Australia, United Kingdom, United States, South Africa, Canada |