Family name Byker (Byker 
) , in the world, is a rare surname. The family name Byker is habitual in Netherlands, where it is a rare surname, Canada, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Byker | United Kingdom, South Africa, United States, Canada, Netherlands |
| carl byker TV producer, US (b. 1901) |
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| gary byker American politician, US (b. 1920) |
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| gary byker (b. 1920) |
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| gaylen byker American businessman (b. 1948) |
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| mary byker musical artist, GB (b. 1963) |
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| erik byker academic, researcher, professor of reading and elementary education |
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| tanya byker |
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