Last name Cornwall-Legh (Cornwall-Legh 
) , throughout the world, is an extremely rare family name. The cognomen Cornwall-Legh is characteristic of Northern Europe, particularly the United Kingdom, where it is a very rare surname. Parts of the name also exists independently as a last name Cornwall, and a last name Legh.
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| Cornwall-Legh | United Kingdom |
| eloise martha cornwall-legh (born 1926) (b. 1926) |
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| rosemary cornwall-legh (born 1932) (b. 1932) |
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| richard cornwall-legh, 6th baron grey of codnor politician, GB (b. 1936) |
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| julia margaret cornwall-legh (born 1939) (b. 1939) |
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| richard stephen cayley cornwall-legh (born 1976), GB (b. 1976) |
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| kenelm michael cornwall-legh (born 1978), GB (b. 1978) |
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| george henry cornwall-legh (born 1982) (b. 1982) |
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| caroline philadelphia cornwall-legh (born 1983) (b. 1983) |
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| caspian richard cornwall-legh Peerage person ID=630622 |
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| arthur henry cornwall-legh (born 2010) |
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| helena savannah cornwall-legh (born 2010) |
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| isabella penelope cornwall-legh (born 2016) |
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| beatrix storm cornwall-legh (born 2016) |
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| fred richard vyse cornwall-legh Peerage person ID=585170 |
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