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Cognomen Cillin (Cillin
) , globally, is an extremely rare last name. The cognomen Cillin is habitual in Israel, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. More frequently, Cillin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cillin | Philippines, Israel, United States, Ireland, United Kingdom |