Surname Clerkin (Clerkin 
) , around the world, is quite a rare last name. The cognomen Clerkin is characteristic of Ireland, where it is quite a common surname, the United Kingdom, where it is a rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in Ireland, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
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| Clerkin | Poland, Australia, United States, Ireland, United Kingdom |
| john clerkin American politician in Vermont (born 1949), US (b. 1949) |
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| dennis clerkin American contract bridge player, US (b. 1950) |
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| michael clerkin Murdered irish police officer, IE (b. 1952) |
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| kevin j clerkin researcher (ORCID 0000-0001-8351-9219) |
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| richard m. clerkin professor of public administration |
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| richard clerkin researcher |
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| aidan clerkin researcher (ORCID 0000-0002-9512-6727) |
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| dick clerkin monaghan Gaelic footballer |
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| paul j. clerkin |
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