Last name Penniston (Penniston 
) , in the world, is a rare surname. The cognomen Penniston is characteristic of the United Kingdom, where it is a rare surname, New Zealand, and Canada. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and South Africa.
| VARIANT | COUNTRY |
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| Penniston | Germany, United Kingdom, South Africa, United States, Canada |
| s. dell penniston American politician, US (b. 1870) |
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| john marvin penniston Trinidadian boxer, TT |
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| kristina l penniston researcher |
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| david penniston Ph.D. University of Georgia 1998 |
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| thomas penniston |
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| tatjana cheyenne penniston |
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| glen j. penniston |
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