Cognomen Kettley (Kettley 
) , in the entire world, is a rare family name. The last name Kettley is habitual in the United Kingdom, where it is a rare surname, New Zealand, and Australia. Not in comparison with a country's population, this name is the most popular in the United Kingdom, the United States, and Australia. Much less frequently, Kettley is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kettley | United Kingdom, Australia, United States, Canada, Brazil |
| emma ellen kettley (born 1861), GB (b. 1861) |
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| john kettley British meteorologist, GB (b. 1952) |
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| sarah kettley researcher |
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| charles albert frederick kettley Peerage person ID=578661 |
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| jacqueline ann kettley Peerage person ID=578662 |
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