Family name Size (Sisa 
, Sais 
, Size ) , in the world, is a common cognomen. The family name Size is characteristic of Algeria, where it is quite a common surname, Paraguay, where it is quite a rare surname, and Hungary. In absolute terms, it is commonest in India, Algeria, and Colombia. Much less frequently, Size is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sisa | Philippines, Colombia, India, Algeria, South Africa |
| Sais | Colombia, India, United States, Algeria, South Africa |
| Size | Philippines, India, United States, Algeria, South Africa |
| サイズ | Japan |
| martin size Peerage person ID=468680 (b. 1809) |
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| nicholas size British writer and hotelier, GB (b. 1866) |
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| mary size Anglo-Irish penal reformer and prison officer, IE (b. 1883) |
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roni size British musician, GB (b. 1969) |
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| john size Australian horse trainer (b. 1954) |
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| jeffrey size Canadian animator, animation director, animation supervisor, assistant animator and posing team, CA (b. 1974) |
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| donna size researcher |
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| jean de size French film director, FR |
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| laurence size Peerage person ID=282367 |
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| size zheng researcher |
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| size wu researcher |
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| size 8 Kenyan singer, songwriter and actress, KE (b. 1987) |
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