Family name Medcalf (Medcalf 
) , globally, is quite a rare cognomen. The last name Medcalf is characteristic of Guernsey, where it is quite a common surname, Australia, where it is quite a rare surname, and the United Kingdom. Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
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| Medcalf | United Kingdom, Zambia, Australia, United States, Canada |
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francis henry medcalf Canadian politician, CA (b. 1803) |
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| martha ann medcalf 1814- (b. 1813) |
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| j. t. medcalf American politician (1843-1899), US (b. 1843) |
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| susan elizabeth medcalf (1858-1893) (b. 1857) |
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| robert medcalf Australian politician, AU (b. 1887) |
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| james medcalf English footballer, GB (b. 1895) |
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| ian medcalf Australian politician (1918-2011), AU (b. 1918) |
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| peter medcalf (b. 1925) |
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| stephen medcalf British academic, GB (b. 1936) |
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| stephen medcalf British stage director (born 1958) (b. 1958) |
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| helen sheevaun christal medcalf (born 1963) (b. 1963) |
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| patricia ann medcalf (born 1964) (b. 1964) |
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| richard william desmond medcalf (born 1966), GB (b. 1966) |
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| sallie jane medcalf (born 1969) (b. 1969) |
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| david geoffrey medcalf (born 1969), GB (b. 1969) |
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