Cognomen Blackard (Blackard 
) , globally, is quite a rare family name. The cognomen Blackard is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. In absolute terms, it most frequently occurs in the United States, Canada, and Thailand.
| VARIANT | COUNTRY |
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| Blackard | Canada, Mexico, New Zealand, United States, Thailand |
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jeff blackard American businessman and philanthropist, US (b. 1957) |
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| jeff blackard college basketball player (1980–1981) Northwestern |
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| jason t blackard researcher |
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| m betsy blackard researcher (ORCID 0000-0003-3804-4394) |
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| jock a. blackard Ph.D. Colorado State University 1998 |
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