Cognomen Lewis (Lewis 
, لويس 
, ルイス 
, among others...) , in the entire world, is a widespread family name. The surname Lewis is habitual in Latin America and the Caribbean, particularly Grenada, where it is a prevalent surname, Saint Vincent and the Grenadines, where it is a widespread surname, and Jamaica (explore the name in all countries). In absolute terms, this name is the most popular in the United States, the United Kingdom, and Australia. Very seldom, Lewis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lewis | Australia, Canada, Jamaica, United Kingdom, United States |
| لويس | Iraq, Egypt, Sudan, Syria, Algeria |
| ルイス | Japan |
| Луис | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| לואיס | Israel |
| 刘易斯, 路易斯 | China |
| Льюис | Kazakhstan, Russia, Ukraine |
| เลวิส | Thailand |
| Люис | Russia, Ukraine, Armenia |
Arran, Chlodwig, Clevis, Clodoveo, Clovis, Clóvis, Expédition, Islay, Lajos, Lewiŝ, Lewys, Lewìs, Lewís, Lewïs, Lewıs, Lluis, Lluís, Loeiz, Loic, Lou, Loui, Louie, Louis, Loup, Lous, Lowis, Loïc, Loïck, Ludovic, Ludovico, Ludovicus, Ludvig, Ludvik, Ludwig, Ludwik, Luigi, Luika, Luis, Luiz, Luã S, Luís, Léwis, Lêwîs, Lêwïs, Lëwis, Lëwïs, Mclewis, Saint-Louis, Λουί, Λουδοβίκος, Кловис, Лайош, Лоик, Лудвиг, Лудвик, Луи, Луиджи, Луис, Луи, Луиш, Луіс, Луіш, Луї, Луїс, Льюіс, Льюїс, Людвиг, Людвик, Людвіг, Людвік, Людовик, Людовік, Люі, Люіс, Хлодвиг, לואיק, לודוויג, لايوش, لودفيغ, لوي, لويجي, لويك, لویس, ラドウィグ, ルイ, ルイジ, ルドヴィック, 路易, and 路易士
| lewis ii. of zelking Nobleman, Duchy of Austria, 13th Century (b. 1200) |
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| lewis de beaumont Bishop of Durham (b. 1270) |
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lewis de charleton Bishop of Hereford (b. 1336) |
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| lewis i. of zelking Nobleman, Duchy of Austria, 13th Century (b. 1300) |
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| lewis clifford English soldier and suspected heretic (b. 1330) |
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| lewis of thalheim Lawyer, canon of the cathedral of Freising, secretary of Bishop Berthold of Freising, pastor of Graz, died after 1401 (b. 1400) |
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| robert lewis English politician (b. 1401) |
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| lewis bagot English knight, died 1534 (b. 1461) |
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| lewis pollard English judge (b. 1485) |
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| lewis caerleon physician to Elizabeth , widow of Edward IV , Margaret Countess Richmond and Henry Tudor, GB (b. 1500) |
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| lewis owen Welsh judge and politician, GB (b. 1501) |
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| lewis ab owen ap meurig Welsh politician (b. 1501) |
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lewis stukley English gentleman and vice-admiral of Devonshire (b. 1552) |
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| thomas lewis English politician, died 1607 (b. 1519) |
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| david lewis Welsh lawyer and judge, born 1520, GB (b. 1520) |
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