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Cognomen Jiayi (Jiayi
) , in the entire world, is quite a rare surname. The family name Jiayi is characteristic of Singapore, where it is quite a rare surname, Taiwan, where it is a rare surname, and Malaysia. Measured by absolute frequency, it is commonest in China, Malaysia, and Taiwan. More prevalently, Jiayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jiayi | Singapore, Malaysia, Taiwan, United States, China |