Last name Cornellier (Cornellier 
) , in all the world, is a rare surname. The cognomen Cornellier is characteristic of Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. In absolute terms, the name is most common in the United States, Canada, and Poland.
| VARIANT | COUNTRY |
|---|---|
| Cornellier | Poland, Canada, New Zealand, United States |
| hippolite cornellier Canadian politician, CA (b. 1820) |
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| étienne cornellier French painter (1838-1902), FR (b. 1838) |
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| judith cornellier-sanschagrin professor of music, CA (b. 1947) |
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| louis cornellier Canadian journalist and writer, CA (b. 1969) |
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| fernand cornellier Canadian politician, CA |
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