Surname Blubaugh (Blubaugh 
) , across the world, is quite a rare cognomen. The surname Blubaugh is characteristic of the United States, where it is a rare surname, Canada, where it is a very rare surname, and Venezuela.
| VARIANT | COUNTRY |
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| Blubaugh | Canada, Spain, Venezuela, United Kingdom, United States |
| douglas blubaugh Olympic wrestler and trainer, US (b. 1934) |
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| rick blubaugh American soccer player, US (b. 1964) |
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| charlene m blubaugh researcher (ORCID 0000-0002-8248-1228) |
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| william leo blubaugh Ph.D. University of Colorado at Boulder 1984 |
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