Surname Louisy (Louisy 
, 路易斯 
, Луизи 
) , across the world, is quite a rare cognomen. The surname Louisy is habitual in Latin America and the Caribbean, particularly Saint Lucia, where it is a common surname, Barbados, where it is quite a rare surname, and Jamaica, where it is a rare surname. Not in comparison with a country's population, it is commonest in France, Saint Lucia, and the United States. Much less frequently, Louisy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Louisy | France, Brazil, United States, Saint Lucia, Democratic Republic of the Congo |
| 路易斯 | China |
| Луизи | Kazakhstan, Russia |
| لويزي | Morocco, Iraq, Egypt |
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louisy mathieu Guadeloupean politician (1817-1874), FR (b. 1817) |
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| paul louisy (b. 1834) |
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calliopa pearlette louisy Governor-General of Saint Lucia, LC (b. 1946) |
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| allan fitzgerald laurent louisy prime minister of Saint Lucia (1916-2011), LC (b. 1916) |
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| françois louisy Guadeloupean politician, FR (b. 1921) |
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louisy joseph French solo singer and former member of L5, FR (b. 1978) |
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| patrick louisy French marine scientist, author, and photographer (b. 1950) |
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| ferdy louisy French politician, FR (b. 1961) |
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| louisy s santos researcher |
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| daniel ashville louisy Entrepreneur from the United Kingdom, GB (b. 1982) |
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| wilfried louisy-daniel football player, FR (b. 1986) |
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| christopher louisy British association football player (born 2005), GB |
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