Cognomen Силис (Silis 
, Силис 
) , all over the world, is quite a rare last name. The surname Силис is characteristic of Latvia, where it is quite a common surname, El Salvador, where it is quite a rare surname, and Mexico, where it is a rare surname. Very seldom, Силис is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silis | Mexico, El Salvador, United States, Latvia, Brazil |
| Силис | Kazakhstan, Russia, Belarus |
| николай силис Russian painter and sculptor, RU (b. 1928) |
|