Cognomen Jailian (Jailian 
) , all over the world, is a very rare family name. The cognomen Jailian is habitual in Argentina, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Jailian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jailian | Philippines, United States, India, Argentina, Brazil |