Last name Bastarache (Bastarache 
) , in the world, is quite a rare surname. The cognomen Bastarache is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Bastarache | New Zealand, Canada, United Kingdom, United States |
| michel bastarache Canadian judge, CA (b. 1946) |
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| jean-yves bastarache Canadian painter, CA (b. 1953) |
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| yves bastarache (b. 1961) |
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| vicky bastarache Canadian softball player (b. 1973) |
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| julie a. bastarache physician scientist |
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| lisa bastarache bioinformatician |
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| pierre bastarache researcher |
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