Surname Izidoro (Izidoro 
) , all around the world, is a common family name. The last name Izidoro is habitual in Brazil, where it is quite a rare surname, Portugal, where it is a rare surname, and France, where it is a very rare surname. Measured by absolute frequency, it is commonest in Brazil, Portugal, and the United States. Also, Izidoro is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Izidoro | Portugal, France, Brazil, United States, United Kingdom |
| maria das dores izidoro person identified in the Museu da Pessoa collection, BR (b. 1956) |
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| luiz fernando moreira izidoro researcher (ORCID 0000-0003-3924-9957) |
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| andre izidoro researcher |
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| sandro c izidoro researcher |
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| marina izidoro person identified in the Museu da Pessoa collection |
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| carlos alberto izidoro Brazilian taekwondoin, BR (b. 1984) |
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| letÃcia izidoro Brazilian association football player, BR (b. 1994) |
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