Cognomen Leyssieux (Leyssieux 
) , all over the world, is a rare surname. The cognomen Leyssieux is habitual in France, where it is a rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Leyssieux | Canada, France |
| murielle leyssieux French speed skater, FR (b. 1966) |
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| pierre leyssieux screenwriter |
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| florence leyssieux CA |
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