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Family name Elfenbein (Elfenbein
) , in all the world, is a rare cognomen. The cognomen Elfenbein is habitual in Estonia, where it is quite a rare surname, Israel, where it is a rare surname, and Australia. In absolute terms, it most frequently occurs in the United States, Germany, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Elfenbein | Estonia, Canada, Australia, United States, Germany |
Helfant, and Helfenbein