Last name Wearn (Wearn 
) , throughout the world, is a rare surname. The cognomen Wearn is characteristic of the United Kingdom, where it is a rare surname, Malaysia, and New Zealand. Measured by absolute frequency, the name is most common in the United Kingdom, Malaysia, and the United States. Much less frequently, Wearn is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wearn | United Kingdom, Malaysia, Australia, United States, New Zealand |
| joseph t. wearn 1893-1984 , physician (b. 1893) |
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| margery wearn (b. 1906) |
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| oliver r. wearn researcher |
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| richard wearn (in bewerking); (in bewerking) |
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| andy wearn researcher |
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| alfie r wearn researcher |
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| james alexander wearn botanist (b. 1981) |
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| matthew wearn Australian laser sailor, AU (b. 1995) |
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