Surname Couper (Chap 
, كوبر 
, Couper 
) , all around the world, is quite a common cognomen. The surname Couper is characteristic of New Zealand, where it is quite a rare surname, Australia, and Sudan. In absolute terms, this name is the most popular in Sudan, the United Kingdom, and Australia. Very seldom, Couper is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Chap | Australia, France, United States, United Kingdom, Taiwan |
| كوبر | Egypt, Iran, Sudan, Libya, Saudi Arabia |
| Couper | Australia, Malaysia, France, United States, United Kingdom |
| คูเปอร์ | Thailand |
| william couper Minister of the Church of Scotland, bishop of Galloway, GB (b. 1568) |
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james hamilton couper American planter, US (b. 1794) |
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| robert couper Scottish poet and physician, GB (b. 1750) |
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| james couper Scottish astronomer (b. 1752) |
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| elizabeth couper (1758-1786) (b. 1758) |
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| john couper (b. 1759) |
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george couper British colonial administrator (b. 1824) |
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| sir george couper, 1st baronet English army officer, 1788-1861 (b. 1788) |
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| william couper (b. 1792) |
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william couper American artist, US (b. 1853) |
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| james kempt couper (1827-1901) (b. 1827) |
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| john c. couper American politician – Minnesota -House 1862 (District 7), US (b. 1830) |
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| arthur charles couper (1831-1852) (b. 1831) |
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| henry edward couper (1835-1876) (b. 1835) |
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| caroline georgina jane elizabeth couper (1854-1924) (b. 1854) |
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