Family name Kail (Kail 
, 凯尔 
, Кайл 
) , in all the world, is quite a common surname. The surname Kail is habitual in Austria, where it is quite a rare surname, Azerbaijan, and Luxembourg. In absolute terms, it is commonest in India, the United States, and Germany. Also, Kail is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kail | France, United States, India, Austria, Germany |
| 凯尔 | China |
| Кайл | Ukraine, Russia |
| Каиль | Kazakhstan, Ukraine, Kyrgyzstan, Azerbaijan, Russia |
|
mary e. kail American poet, US (b. 1828) |
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| joseph kail Austrian composer and music arranger (b. 1795) |
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| gabriel sell kail (1814-1888), US (b. 1814) |
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| virginia elizabeth kail wife of Rezin Millings Price, US (b. 1847) |
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| j. wirt kail American printer, actor, US (b. 1860) |
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| johann alois kail AT (b. 1856) |
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| edgar kail English footballer (1900-1976), GB (b. 1900) |
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| otto kail CZ (b. 1919) |
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| stanislav kail (b. 1930) |
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eva kail Austrian urban planner |
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| rita kail Luxembourgish actor, LU (b. 1954) |
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| michel kail FR (b. 1945) |
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| robert v. kail (b. 1950) |
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| christoph kail actor, AT (b. 1967) |
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| eva kail (b. 1959) |
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