Family name Kerwick (Kerwick 
) , all over the world, is a rare cognomen. The family name Kerwick is characteristic of Ireland, where it is quite a rare surname, Australia, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Kerwick | United Kingdom, United States, Ireland, Israel, Australia |
| will kerwick Irish hurler (b. 1870) |
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| tom kerwick Irish hurler (1885-1929), IE (b. 1885) |
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| john kerwick Australian rugby league player (b. 1893) |
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| edward kerwick English rugby league footballer, GB (b. 1922) |
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| pat kerwick Irish hurler, IE (b. 1982) |
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