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Cognomen Haidook (Haidook ) , around the world, is an extremely rare surname. Much more frequently, Haidook is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haidook | United States |
Aghaian, Markarbabrud, Arakelian, Teymoorian, Khachikian, and Hovanesian