Surname Cockbill (Cockbill 
) , worldwide, is a rare cognomen. The last name Cockbill is habitual in the United Kingdom, where it is a rare surname, Ireland, and Australia. Not in comparison with a country's population, this name is the most popular in the United Kingdom, Australia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Cockbill | Canada, Australia, United States, United Kingdom, South Africa |
| jack cockbill Australian rules footballer, AU (b. 1880) |
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| charles cockbill British Archdeacon (b. 1888) |
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| john cockbill Australian rower, AU (b. 1940) |
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| ryan cockbill British Paralympic sport shooter, GB (b. 1990) |
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