Cognomen Crookshanks (Crookshanks 
) , worldwide, is a rare surname. The surname Crookshanks is habitual in Qatar, where it is a rare surname, the United States, and Canada. In absolute terms, it most frequently occurs in the United States, Canada, and the United Kingdom. Much less frequently, Crookshanks is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Crookshanks | United Kingdom, Canada, Australia, Sweden, United States |
| john crookshanks British naval officer (b. 1708) |
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| john crookshanks Minister of the Church of Scotland, GB |
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| gavin crookshanks Scottish physician 1703 - 1747 |
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