Cognomen Waddingham (Waddingham 
) , across the world, is quite a rare family name. The last name Waddingham is characteristic of the United Kingdom, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia. Measured by absolute frequency, it is commonest in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
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| Waddingham | Australia, Canada, New Zealand, United Kingdom, United States |
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dorothea waddingham English murderer (b. 1899) |
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gladys waddingham American writer, teacher (1900–1997), US (b. 1900) |
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hannah waddingham English actress, GB (b. 1974) |
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| john waddingham cricketer, NZ (b. 1934) |
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| cindy waddingham Australian actress, AU (b. 1980) |
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| peter h waddingham researcher |
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| william waddingham researcher |
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| rai waddingham consultant |
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| rachel waddingham researcher |
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| suzie waddingham researcher |
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| ed waddingham researcher |
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| marc waddingham (b. 1982) |
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