Cognomen Swadling (Swadling 
) , worldwide, is quite a rare last name. The last name Swadling is habitual in Australia, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and New Zealand. In absolute terms, it is commonest in Australia, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
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| Swadling | United Kingdom, Australia, United States, Canada, New Zealand |
| william thomas swadling (1882-1964) trade unionist (b. 1882) |
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| william swadling (b. 1958) |
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| steven swadling British actor and film producer, US (b. 1969) |
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| leo swadling researcher |
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| kerrie m swadling marine ecologist |
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| mike swadling political campaigner |
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| george f. swadling researcher |
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| michael swadling researcher |
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| ty swadling (b. 1988) |
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| shaun swadling (b. 1992) |
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