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Cognomen Bairn (Bern
, Barn
, Bairn
) , around the world, is quite a common surname. The last name Bairn is habitual in Switzerland, where it is quite a common surname, Sweden, where it is quite a rare surname, and Norway. In absolute terms, the name is most common in the United States, Switzerland, and Germany. Likewise, Bairn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bern | Switzerland, Sweden, United States, Kenya, Germany |
| Barn | Canada, France, Sweden, United States, Germany |
| Bairn | Philippines, Canada, India, United States, United Kingdom |