Cognomen Mas (Mas 
, マス 
, 马斯 
, among others...) , around the globe, is a common family name. The surname Mas is characteristic of Reunion, where it is quite a common surname, Monaco, and Brunei (explore the name in all countries). Measured by absolute frequency, the name is most common in Indonesia, Spain, and France. Also, Mas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mas | France, Indonesia, Malaysia, Morocco, Spain |
| マス | Japan |
| 马斯 | China |
| Мас | Russia, Kazakhstan, Ukraine, Armenia, Kyrgyzstan |
| Мась | Belarus, Russia, Ukraine, Kazakhstan |
| מס | Israel |
Armato, Dumas, Emas, Ma, Magis, Maih, Mansum, Mansus, Maroto, Marriage, Mars, Marseilles, Mass, Masse, Mast, Master, Maç, Maś, Maš, Maｓ, Mbasi, Messe, Motoscafo, Must, Màs, Màç, Màś, Más, Máś, Máŝ, Máš, Mâ, Mâgh, Mâs, Mâç, Mâś, Mâš, Mãs, Mãç, Mãś, Mãš, Më, Mās, Măs, Măš, Mąš, Mǎs, Mａｓ, Pas, Ɱặś, מאס, מאש, ماص, मस, মাছ, มะซอ, มะสอ, มัส, มามาศ, มาส, อมัส, ມະສ, မသ္း, မသ်, ម៉ាស, ម៉ាស់, ហ្មាស់, Ḿâ, 玛斯, 玛西, 马西, ﻣﺎﺱ, and Ｍａｓ
| francesc joan mas ES (b. 1522) |
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| diego mas ES (b. 1553) |
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| joan mas AD (b. 1564) |
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| jaime mas Roman Catholic bishop (b. 1602) |
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| miquel canals mas Spanish religious (1633-1713), ES (b. 1633) |
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sinibaldo de mas Spanish diplomat (1809-1868), ES (b. 1809) |
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alphonse mas French botanist (1817-1875), FR (b. 1817) |
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| andré ignace mas FR (b. 1765) |
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| josep mas i vila Spanish architect (1779-1855), ES (b. 1779) |
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| juan de dios ribot y mas (b. 1788) |
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arcadi mas Catalan painter (1852-1934), ES (b. 1852) |
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| françois edmond eugène de barlatier de mas Australian explorer (b. 1810) |
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adolf mas ginestà Catalan photographer, ES (b. 1861) |
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| josé bover y mas (b. 1802) |
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rita mas Spanish activist, ES (b. 1865) |
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