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In all the world, Callin (Callin
) is a very rare unisex forename. The first name Callin is characteristic of South Africa, where it is a very rare epicene name, and the United States. More frequently, Callin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Callin | Canada, Sweden, France, United States, United Kingdom |