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Cognomen Thia (Tia
, Thia
, เทียะ
) , in all the world, is a common family name. The surname Thia is habitual in Ivory Coast, where it is quite a common surname, Singapore, and Brunei. Not in comparison with a country's population, it most frequently occurs in Indonesia, Ivory Coast, and Malaysia. More prevalently, Thia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tia | Ivory Coast, Malaysia, Ghana, United States, Indonesia |
| Thia | Philippines, Brazil, Malaysia, United States, Indonesia |
| เทียะ, เทียร์ | Thailand |