Family name Eucken (Ойкен 
, Eucken 
) , all over the world, is a rare cognomen. The surname Eucken is habitual in Germany, where it is a rare surname, Venezuela, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, it is commonest in Germany, the United States, and Mexico. Very seldom, Eucken is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ойкен | Kazakhstan |
| Eucken | Venezuela, Mexico, United States, United Kingdom, Germany |
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rudolf eucken German philosopher, DE (b. 1846) |
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arnold eucken German scientist (1884-1950), DE (b. 1884) |
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walter eucken German economist, DE (b. 1891) |
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| irene eucken DE (b. 1863) |
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| kurt eucken DE (b. 1899) |
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| christoph eucken Swiss classical philologist, DE (b. 1939) |
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| heinrich eucken |
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| ida maria eucken |
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