Last name Fillingham (Fillingham 
) , across the world, is quite a rare cognomen. The surname Fillingham 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 Canada.
| VARIANT | COUNTRY |
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| Fillingham | Canada, New Zealand, Australia, United States, United Kingdom |
| george fillingham English cricketer and pastoralist, GB (b. 1841) |
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| tom fillingham English footballer (1904-1960), GB (b. 1904) |
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| pat fillingham English test pilot for the de Havilland company, GB (b. 1914) |
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| sean p fillingham researcher ORCID ID = 0000-0002-8425-0351 |
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| jeffrey fillingham researcher |
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