Cognomen Petrey (Petrey 
) , across the world, is quite a rare last name. The last name Petrey is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Australia. Not in comparison with a country's population, the name is most common in the United States, Australia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Petrey | Canada, Argentina, United States, New Zealand, Australia |
| sandy petrey American academic, US (b. 1941) |
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| susan c. petrey American writer (b. 1945) |
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| aaron c petrey researcher (ORCID 0000-0002-2696-599X) |
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| cassie petrey human |
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| laura petrey researcher (ORCID 0000-0001-6347-9002) |
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