Cognomen Pais (佩斯 
, Pais 
, Паис 
) , throughout the world, is a common last name. The last name Pais is characteristic of Portugal, where it is a common surname, Uruguay, where it is quite a common surname, and Luxembourg. Not in comparison with a country's population, the name is most common in Portugal, Brazil, and Argentina. Very seldom, Pais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 佩斯 | China |
| Pais | Angola, Brazil, Portugal, Argentina, India |
| Паис | Russia, Kyrgyzstan, Kazakhstan |
| Пайс | Ukraine, Russia, Kazakhstan |
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gualdim pais Portuguese knight, PT (b. 1118) |
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| fernão pais da cunha Portuguese nobleman (b. 1140) |
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| pero pais, 2.º senhor de albergaria (b. 1155) |
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| martim pais ribeira Portuguese military and nobleman, GW (b. 1170) |
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| martim pais dade Portuguese nobleman (b. 1200) |
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| álvaro pais PT (b. 1400) |
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| baltasar pais PT (b. 1571) |
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joaquim da mota pais BR (b. 1821) |
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pedro pais lapido Spanish (Galician) jurist, politician (1841-1917), ES (b. 1841) |
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| félix da mota pais BR (b. 1794) |
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ettore pais Italian historian of classical antiquity and classical archaeologist (1856-1939), IT (b. 1856) |
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sidónio pais assassinated Portuguese president (1872-1918), PT (b. 1872) |
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maria dos prazeres bessa pais PT (b. 1867) |
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| abigail pais NL (b. 1825) |
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| josé ribeiro da mota pais BR (b. 1828) |
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