Family name Cirio (Cirio 
, سيريو 
) , all around the world, is quite a rare last name. The family name Cirio is habitual in Uruguay, where it is quite a rare surname, Italy, and Argentina, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Italy, Mexico, and Argentina. Also, Cirio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cirio | Brazil, Argentina, Mexico, Philippines, Italy |
| سيريو | Palestinian Territory, Algeria |
| pietro antonio cirio Roman Catholic bishop (b. 1763) |
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francesco cirio Italian businessman, IT (b. 1836) |
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| maria elisa cirio author (20th century) (b. 1901) |
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alberto cirio Italian politician, IT (b. 1972) |
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jésica cirio Argentine model and dancer, AR (b. 1985) |
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| teresina cirio Italian basketball player (1940-), IT (b. 1940) |
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| rita cirio Italian journalist, IT (b. 1945) |
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| amalia margherita cirio Italian hellenist (1949-), IT (b. 1949) |
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| valerio cirio school teacher, writer, IT (b. 1957) |
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| cirio vandresen politician from Brazil, BR (b. 1961) |
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| paolo cirio artist and sculptor, IT (b. 1979) |
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| lucio simone cirio Ph.D. Scuola Internazionale Superiore di Studi Avanzati, Trieste 2008 |
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| lia cirio American ballet dancer, US |
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| f. b. cirio photographer |
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| serena cirio researcher |
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