Family name Casavant (Casavant 
) , in the world, is quite a rare surname. The cognomen Casavant is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United States.
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| Casavant | United Kingdom, United States, India, Canada, New Zealand |
| joseph casavant Pipe organ manufacturer (1807-1874), CA (b. 1807) |
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louis casavant American actor, US (b. 1868) |
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| antoine casavant Canadian politician, CA (b. 1826) |
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| joseph claver casavant (b. 1855) |
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normand casavant musher, CA |
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| michel casavant Canadian painter, CA (b. 1946) |
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| alan casavant American politician, US (b. 1952) |
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| richard casavant (b. 1946) |
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| denis casavant CA (b. 1964) |
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| marcel j casavant researcher (ORCID 0000-0001-8513-4144) |
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| kenneth lucien casavant Ph.D. Washington State University 1971 |
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| marc-andré casavant performing artist in Canada |
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| sharon g. casavant academic |
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| francine casavant performing artist in Canada |
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| tom l casavant researcher |
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