Cognomen Thorbourne (Thorbourne 
) , in all the world, is a rare surname. The cognomen Thorbourne is characteristic of Jamaica, where it is a rare surname, Canada, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it is commonest in the United States, Canada, and Jamaica.
| VARIANT | COUNTRY |
|---|---|
| Thorbourne | United Kingdom, Mexico, United States, Canada, Jamaica |
| dennis thorbourne Jamaican cricketer, JM (b. 1927) |
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| jessica govea thorbourne labor activist, union leader and educator, US (b. 1947) |
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