Cognomen Courtenay (Courtenay 
, Кортни 
, קורטני 
) , all around the world, is quite a rare family name. The cognomen Courtenay is habitual in Belize, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Australia. In absolute terms, it most frequently occurs in the United Kingdom, the United States, and Australia. Likewise, Courtenay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Courtenay | Australia, Canada, United Kingdom, United States, Belize |
| Кортни | Kazakhstan, Russia |
| קורטני | Israel |
Courtney, De Courtenay, and Gróf
| elisabeth of courtenay Belgian noble (b. 1101) |
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| alice of courtenay French noblewoman of the House of Courtenay (b. 1160) |
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| clémence of courtenay 1164 (b. 1164) |
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| isabelle de courtenay 1194 (b. 1176) |
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| philippe de courtenay (b. 1170) |
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| mathilde de courtenay French noble, FR (b. 1188) |
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filippo di courtenay Emperor of Constantinople, IT (b. 1243) |
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| eleonor of courtenay (1208-1230) (b. 1208) |
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hugh de courtenay, 2nd earl of devon English noble, GB (b. 1303) |
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| hugh de courtenay English noble, GB (b. 1276) |
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hugh courtenay English aristocrat (b. 1327) |
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william courtenay Archbishop of Canterbury, GB (b. 1342) |
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peter courtenay English politician (b. 1346) |
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hugh courtenay Member of Parliament of England (b. 1358) |
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| thomas courtenay (1311-1362) (b. 1315) |
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