Family name Geys (Geys 
, Геыс 
, Гейс 
) , in the entire world, is quite a rare cognomen. The surname Geys is habitual in Belgium, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Netherlands. Measured by absolute frequency, it most frequently occurs in Belgium, Kazakhstan, and Indonesia. Much less frequently, Geys is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geys | Belgium, Indonesia, Azerbaijan, France, Germany |
| Геыс | Russia |
| Гейс | Ukraine, Kyrgyzstan, Russia, Kazakhstan |
| Геис | Russia, Kazakhstan |
| johann andreas geys (b. 1813) |
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| georg ludwig geys (b. 1837) |
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| robert geys DE (b. 1862) |
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mareike geys Dutch sculptor, NL (b. 1945) |
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| helmut geys German politician (1927-2012), DE (b. 1927) |
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| jef geys Belgian artist (1934-2018), BE (b. 1934) |
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| benny geys economist (Vrije Universiteit Brussel; BI Handelshøyskolen) (b. 1977) |
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| rit geys Belgian actress, BE |
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| dany geys film producer (fl. in the 1980s-2000s) |
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| geys mahfoedz amar Indonesian political candidate, ID |
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| lotte geys researcher |
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