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Cognomen Giffen (吉芬 , Giffen
) , worldwide, is quite a rare surname. The cognomen Giffen is characteristic of Bermuda, where it is quite a common surname, Canada, where it is quite a rare surname, and Australia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, China, and Canada. Likewise, Giffen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 吉芬 | China |
| Giffen | Netherlands, Canada, Australia, United States, United Kingdom |