Last name Blackstock (Blackstock 
) , in the world, is quite a rare family name. The cognomen Blackstock is habitual in Jamaica, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Canada, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
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| Blackstock | Australia, Jamaica, Canada, United States, United Kingdom |
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thomas m. blackstock American mayor (1834-1913), US (b. 1834) |
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| richard blackstock English cricketer (1838-1893), GB (b. 1838) |
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| thomas newton blackstock (b. 1836) |
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| george tate blackstock Canadian lawyer (b. 1856) |
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| john blackstock Australian cricketer (1871-1950), GB (b. 1871) |
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| tommy blackstock Scottish footballer (1882-1907), GB (b. 1882) |
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oscar genaro coet blackstock Cuban diplomat, CU (b. 1950) |
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| g. g. blackstock badminton player, CA (b. 1903) |
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| elizabeth blackstock Canadian artist and scientific illustrator, CA (b. 1911) |
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uché blackstock American physician and researcher (b. 1977) |
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oni blackstock American physician and academic, US (b. 1977) |
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darryl blackstock Player of American Football, US (b. 1983) |
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dexter blackstock Antigua and Barbuda footballer, AG (b. 1986) |
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| jacqueline blackstock badminton player, GB (b. 1950) |
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| gregory l. blackstock US (b. 1946) |
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