Last name Koonce (Koonce 
) , in the entire world, is quite a common cognomen. The last name Koonce is habitual in the United States, where it is quite a rare surname, New Zealand, where it is a rare surname, and Sweden. In absolute terms, the name is most common in the United States, Canada, and Germany.
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| Koonce | Germany, Canada, Sweden, New Zealand, United States |
| george koonce American businessman who helped defend Harpers Ferry against the Confederate army in 1861, US (b. 1818) |
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| naurice koonce American photographer, US (b. 1928) |
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| cal koonce American baseball player (1940-1993), US (b. 1940) |
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| donnie ray koonce American basketball player, US (b. 1959) |
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| paul c. koonce (b. 1956) |
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| george koonce American football player, US (b. 1968) |
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| nathan koonce college basketball player (1992–1992) Colorado |
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| jonathan g koonce researcher (ORCID 0000-0002-7069-359X) |
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| jim koonce American gasser drag racer |
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| brett koonce American film director, US |
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| owen koonce college basketball player (2020–202_) Colorado |
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| alexander eben koonce Ph.D. Stanford University 1986 |
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| james koonce researcher |
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| taneya y. koonce researcher |
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| charles koonce college basketball player (1994–1997) Northwestern State; Little Rock |
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