Last name Marsolais (Marsolais 
) , worldwide, is quite a rare cognomen. The family name Marsolais is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and Switzerland. Measured by absolute frequency, the name is most common in Canada, the United States, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Marsolais | Canada, Switzerland, Australia, New Zealand, United States |
| gilles marsolais CA (b. 1939) |
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| josée marsolais Canadian water polo player, CA (b. 1973) |
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| frédéric marsolais researcher (ORCID 0000-0003-3914-141X) |
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| david marsolais researcher and university professor, CA |
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| alex marsolais CA |
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