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Cognomen Yongyun (永云 , 勇云
, 永运
) , around the world, is quite a rare family name. The cognomen Yongyun is characteristic of China, where it is a rare surname, and Thailand, where it is a very rare surname. More frequently, Yongyun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 永运, 勇云, 永云 | China |
| Yongyun | Taiwan, New Zealand, United States, Thailand, China |