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Surname Sillvan (Sillvan
) , all around the world, is a very rare family name. The cognomen Sillvan is characteristic of Finland, where it is a rare surname, and Malaysia, where it is a very rare surname. Much less frequently, Sillvan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sillvan | Malaysia, Finland, United States |