Cognomen Clara (Clara 
, Клара 
, كلارا 
, and others...) , all around the world, is a widespread last name. The last name Clara is habitual in Mexico, where it is quite a common surname, Kyrgyzstan, and Spain (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Mexico, Nigeria, and Spain. More frequently, Clara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clara | Italy, Mexico, United States, Argentina, Brazil |
| Клара | Kazakhstan, Uzbekistan, Russia, Kyrgyzstan, Ukraine |
| كلارا | Iran, Sudan, Syria, Egypt, Iraq |
| קלרה | Israel |
| クララ | Japan |
| 克拉拉 | China |
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didia clara daughter of Roman Emperor Didius Julianus (b. 153) |
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| pedro gutiérrez de santa clara Mexican writer, MX (b. 1521) |
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abraham a sancta clara Austrian writer and Augustinian Monk, DE (b. 1644) |
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| mariana de santa clara (b. 1612) |
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| anna maria clara, freiin von metternich 14 Mar 1662 Bourscheid - 21 Nov 1719 Koblenz (b. 1662) |
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| franz clara Austrian religious servant and geologist, AT (b. 1781) |
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maria clara do menino jesus Portuguese religious (1843-1899), PT (b. 1843) |
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juan clara Spanish sculptor (1875-1958), ES (b. 1875) |
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| francisco de paula santa clara (b. 1836) |
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max clara Austrian scientist (1899-1966), DE (b. 1899) |
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| patrick clara Australian politician (b. 1863) |
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| feliciano mercado clara botanist (b. 1896) |
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| sebastià clara i sardó ES (b. 1894) |
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| clara frida Italian alpine skier, IT (b. 1909) |
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| maria clara Portuguese singer (1923-2009), PT (b. 1923) |
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