Family name Sliker (Sliker 
) , around the world, is a rare cognomen. The family name Sliker is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Netherlands. Not in comparison with a country's population, the name is most common in the United States, Netherlands, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Sliker | Canada, New Zealand, Netherlands, United States |
| john leonard sliker (2 Dec 1777 - certain 16 Feb 1826) (b. 1777) |
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| peter sliker American opera singer, US (b. 1925) |
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| john leonard sliker (1805-1873) |
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| renzila sliker (1825-1906) |
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| david sliker |
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