Family name Risby (Risby 
) , in all the world, is quite a rare surname. The surname Risby is habitual in Australia, where it is a rare surname, the United Kingdom, and Sweden. Measured by absolute frequency, this name is the most popular in the United Kingdom, the United States, and Australia. Much less frequently, Risby is the forename as well as the last name.
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| Risby | Australia, Canada, Sweden, United Kingdom, United States |
| richard risby English Franciscan friar, executed for treason, GB (b. 1489) |
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| marie risby female Swedish cross-country skier, SE (b. 1955) |
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| william t risby Lord Mayor of Manchester 1993-1994 |
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| thomas risby Peerage person ID=231120 |
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| joan risby Peerage person ID=231119 |
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| elizabeth risby |
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| alice risby, of combe |
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| lisa risby Swedish orienteering competitor, SE (b. 1993) |
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