Cognomen Twilley (Twilley 
) , across the world, is quite a rare family name. The family name Twilley is characteristic of Israel, where it is quite a rare surname, the United States, where it is a rare surname, and Norway. Measured by absolute frequency, it is commonest in the United States, the United Kingdom, and Israel.
| VARIANT | COUNTRY |
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| Twilley | United Kingdom, Israel, Australia, South Africa, United States |
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howard twilley American football wide receiver, US (b. 1943) |
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| dwight twilley American singer, US (b. 1951) |
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| robert r twilley researcher (ORCID 0000-0002-6173-6033) (b. 1952) |
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| nicola twilley journalist |
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| dequan twilley college basketball player (2007–2008) East Tennessee State |
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| leslie twilley researcher |
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| stephen twilley American translator, US |
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| nicholas twilley UK election candidate in Alyn and Deeside |
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| fred twilley CA |
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