Cognomen Devanny (Devanny 
) , around the world, is a rare surname. The surname Devanny is habitual in Mauritius, where it is quite a rare surname, Ireland, where it is a rare surname, and Australia. Not in comparison with a country's population, it is commonest in the United States, Indonesia, and the United Kingdom. Likewise, Devanny is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Devanny | United Kingdom, Indonesia, United States, Mexico, Australia |
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jean devanny Australian writer (1894-1962), NZ (b. 1894) |
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| pat devanny Australian political activist (1913-1980) (b. 1913) |
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| joseph devanny researcher (ORCID 0000-0001-6031-2397) |
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| william eric devanny Ph.D. University of California, Irvine 2017 |
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| david devanny electronic literature author, GB |
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