Surname Whillock (Whillock 
) , across the world, is a rare last name. The family name Whillock is characteristic of the United Kingdom, where it is a rare surname, Australia, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Whillock | United Kingdom, France, Australia, United States, Canada |
| h. w. whillock American politician, US (b. 1904) |
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| jack whillock American baseball pitcher, US (b. 1942) |
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| summer rain whillock researcher |
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| scott whillock college basketball player (1987–1989) Texas Tech |
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| rosie whillock researcher |
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