Family name Cobourn (Cobourn 
) , in the world, is a rare surname. The cognomen Cobourn is characteristic of New Zealand, where it is a rare surname, Australia, and the United States, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Cobourn | United Kingdom, Australia, United States, Canada, New Zealand |
| kelly m cobourn researcher (ORCID 0000-0002-8166-3302) |
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| john cobourn cooperative extension specialist |
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