Last name Walkup (Walkup 
) , in the entire world, is quite a rare surname. The family name Walkup is habitual in the United States, where it is a rare surname, Israel, and New Zealand. In absolute terms, it is commonest in the United States, Mexico, and the United Kingdom.
| VARIANT | COUNTRY |
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| Walkup | Canada, United Kingdom, Israel, United States, Mexico |
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john walkup American politician, US (b. 1819) |
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| s.h. walkup Confederate officer, legislator, and lawyer, US (b. 1818) |
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| liberty walkup US (b. 1844) |
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mary roe walkup American politician, US (b. 1924) |
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bob walkup American politician, US (b. 1936) |
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| jim walkup American baseball player (1895-1990), US (b. 1895) |
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| jim walkup American MLB pitcher, US (b. 1909) |
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| lawrence walkup American academic administrator (1914-2002), US (b. 1914) |
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thomas walkup American basketball player, US (b. 1992) |
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| frank walkup mineral preparator, National Museum of Natural History, Washington DC (b. 1943) |
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| bruce walkup American racing driver, US (b. 1944) |
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| kathleen walkup American printmaker, US (b. 1946) |
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| laura c. walkup researcher ORCID ID = 0000-0002-1962-5364 |
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| nathan walkup college basketball player (2008–2011) Texas A&M |
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| joseph k. walkup Ph.D. |
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