Cognomen Crout (Crout 
) , worldwide, is quite a rare family name. The cognomen Crout is habitual in the United States, where it is a rare surname, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
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| Crout | Australia, South Africa, Canada, United Kingdom, United States |
| mabel crout British politician (b. 1890) |
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| marian crout (1893-1944) educationalist (b. 1893) |
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| john crout American businessman (b. 1899) |
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| neil m.j. crout researcher, ORCID id # 0000-0001-7394-5070 |
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| richard j crout researcher (ORCID 0000-0002-7695-5685) |
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| phillip crout researcher (ORCID 0000-0001-5754-0938) |
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| henry crout American settler |
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| christopher a crout researcher |
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