Cognomen Perthuis (Perthuis 
) , all around the world, is quite a rare surname. The cognomen Perthuis is habitual in France, where it is quite a rare surname, Finland, where it is a very rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in France, the United States, and Australia.
| VARIANT | COUNTRY |
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| Perthuis | Finland, United States, France, Spain, Australia |
| élise de perthuis German salon-holder, DE (b. 1800) |
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| elise perthuis French Righteous Among the Nations, FR (b. 1900) |
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| lucien perthuis FR (b. 1900) |
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| jean perthuis French politician, FR (b. 1946) |
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| christian de perthuis French economist, FR (b. 1954) |
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| pierre perthuis de laillevault FR (b. 1957) |
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| julie perthuis French association football player, FR (b. 1983) |
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Mr, Simon, Serge, Steve, Scott, Alain, Andre, Annie, Aurã, Clara, Cindy, Cyril, Bruno, Karen, Kenny, Kevin, Patty, Randy, Roger, Renee, Denis, Debra, Maina, Manon, Marie, Yves, Ms, Cã, Guy, Lea, Luc, Lã, Marc, Mary, Anne, Bret, Darla, Paul, Lisa, Léa, John, Joel, Jean, Time, Eric, Hugo, Frã, Yann, Rene, and David