Family name Duffus (Duffus 
) , in the world, is quite a rare cognomen. The last name Duffus is habitual in Jamaica, where it is quite a common surname, the United Kingdom, where it is a rare surname, and Canada. Measured by absolute frequency, it most frequently occurs in Jamaica, the United States, and the United Kingdom.
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| Duffus | Australia, Canada, Jamaica, United Kingdom, United States |
| eric sutherland of duffus (1710-1769) (b. 1710) |
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| john duffus founder of John Duffus and Company, and Footdee Iron Works (b. 1780) |
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| william duffus British cleric, missionary and translator, GB (b. 1846) |
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| james duffus (1850-1904) (b. 1850) |
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| joseph james duffus Canadian politician, CA (b. 1876) |
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| r. l. duffus US journalist and author (1888-1972), US (b. 1888) |
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| james montague coutts duffus (1891-1947) (b. 1891) |
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| robert duffus Scottish footballer (1891-1949), GB (b. 1891) |
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| chester stairs duffus Canadian flying ace, CA (b. 1891) |
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| john duffus British association football player (1901-1975), GB (b. 1901) |
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| louis duffus Cricket player of South Africa. (1904-1984), ZA (b. 1904) |
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| herbert duffus Jamaican politician and judge (1908-2002), JM (b. 1908) |
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courtney duffus Footballer (born 1995), GB (b. 1995) |
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| shenley duffus (b. 1938) |
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| c. m. duffus (b. 1940) |
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