Cognomen Mehaffey (Mehaffey 
, مهافي 
) , all over the world, is quite a rare family name. The family name Mehaffey is habitual in the United States, where it is a rare surname, New Zealand, and the United Kingdom. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Iraq.
| VARIANT | COUNTRY |
|---|---|
| Mehaffey | Germany, United Kingdom, Australia, United States, Canada |
| مهافي | Iraq |
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joseph cowles mehaffey American military official (1889-1963), US (b. 1889) |
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| william graham mehaffey Irish-New Zealander school teacher, GB (b. 1849) |
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blanche mehaffey American actress and dancer, US (b. 1908) |
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| maurice william mehaffey (1884-1970) engineer and public servant (b. 1884) |
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| james mehaffey Irish Anglican prelate (1931-2020), IE (b. 1931) |
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| carolyn mehaffey American rower, US (b. 1950) |
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| james hunter mehaffey researcher |
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| geo mehaffey college basketball player (1956–1957) Texas A&M |
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| george mehaffey college basketball player (1954–1956) Texas A&M |
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| j hunter mehaffey |
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| olivia mehaffey Irish professional golfer (b. 1998) |
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