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Globally, Cillin (Cillin
) is a very rare principally boy's, but very infrequently girly given name. The given name Cillin is characteristic of Northern Europe, particularly Ireland, where it is a rare boy's name. Much less frequently, Cillin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cillin | Philippines, Israel, United States, Ireland, United Kingdom |