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Cognomen Phoutthaxay (Phoutthaxay
) , throughout the world, is an extremely rare surname. Much more frequently, Phoutthaxay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phoutthaxay | Laos, United States |
Souliya, Saynorath, Khounbolay, and Ladouangphan