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Family name Kidaj (Kidaj
, Кидай
) , in all the world, is a rare cognomen. The family name Kidaj is characteristic of Eastern Europe, particularly Poland, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia. Likewise, Kidaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kidaj | Canada, Malaysia, Poland, United States, Germany |
| Кидай | Kazakhstan, Russia, Ukraine |