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Family name Usah (อุสา , อุสาห์
, Usah
) , around the world, is quite a rare last name. The cognomen Usah is habitual in Thailand, where it is a rare surname, Malaysia, and India. Not in comparison with a country's population, it is commonest in India, Thailand, and Nigeria. More frequently, Usah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อุสา, อุสาห์, เรา | Thailand |
| Usah | Philippines, Malaysia, India, Nigeria, Thailand |
ושאח, อุส่าห์, and อุส่าห์ค้า