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Cognomen Castilhos (Castilhos ) , globally, is quite a common last name. The family name Castilhos is characteristic of Latin America and the Caribbean, particularly Brazil, where it is quite a rare surname, Uruguay, where it is a rare surname, and Argentina, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Brazil, the United States, and Uruguay.
VARIANT | COUNTRY |
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Castilhos | Uruguay, Colombia, Brazil, United States, Argentina |