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Cognomen Jirach (จิรัชย์ , Jirach
) , in the world, is a very rare family name. The cognomen Jirach is habitual in Thailand, where it is a very rare surname, Malaysia, and India, where it is an extremely rare surname. More frequently, Jirach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จิรัชย์ | Thailand |
| Jirach | United States, Malaysia, India, Thailand |