Family name Dean (Dean 
, 迪安 
, دين 
, along with others...) , around the world, is a widespread cognomen. The family name Dean is habitual in Bahamas, where it is a common surname, British Virgin Islands, and Isle of Man (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, the United Kingdom, and Australia. Likewise, Dean is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dean | Australia, Indonesia, Canada, United Kingdom, United States |
| 迪安, 迪恩 | China |
| دين | Morocco, Egypt, Sudan, Iraq, Algeria |
| דין | Israel |
| Дин | Kyrgyzstan, Russia, Kazakhstan, Belarus, Ukraine |
| Деан | Bulgaria, Russia, Ukraine |
| marjorie dean (1604-1635) (b. 1604) |
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| dorothy dean (born 1620) (b. 1620) |
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john dean English officer of the Navy of the Russian Empire, GB (b. 1679) |
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| elizabeth dean (born 1633) (b. 1633) |
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| thomas dean Perpetual curate of St James, Duke's Place (b. 1638) |
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| john dean 1674 - 1724 (b. 1674) |
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| joseph dean 1716 - (b. 1716) |
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| richard dean Church of England clergyman and essayist (b. 1727) |
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| ephraim dean Canadian politician (b. 1734) |
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| hugh primrose dean Iers; schilder; 1740; Down (graafschap); 1784, IE (b. 1740) |
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| josiah dean American politician (1748-1818), US (b. 1748) |
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| james dean missionary and interpreter to Oneida Indians (b. 1748) |
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| patience dean (born 1749) (b. 1749) |
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amos dean First President of the University of Iowa (1803-1868), US (b. 1803) |
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| john dean mezzotint engraver (b. 1754) |
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