Cognomen Cognata (Cognata 
) , in all the world, is quite a rare last name. The surname Cognata is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and France. Measured by absolute frequency, this name is the most popular in Italy, the United States, and France. Very seldom, Cognata is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cognata | France, Italy, Germany, United States, Switzerland |
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giuseppe cognata IT (b. 1823) |
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| giuseppe cognata Italian catholic bishop, IT (b. 1885) |
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michael cognata American actor and record producer, US (b. 1988) |
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| giovanni la cognata (b. 1954) |
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| valentina la cognata researcher ORCID ID = 0000-0003-4066-0655 |
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| sonia la cognata researcher (ORCID 0000-0002-7393-802X) |
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| marco la cognata researcher |
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