Family name Rudderham (Rudderham 
) , around the world, is a rare cognomen. The surname Rudderham is characteristic of Canada, where it is a rare surname, the United Kingdom, and Australia. Not in comparison with a country's population, it is commonest in Canada, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
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| Rudderham | United Kingdom, Australia, United States, Canada, New Zealand |
| john rudderham American baseball player (1863-1942), US (b. 1863) |
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| joseph edward rudderham Catholic bishop, GB (b. 1899) |
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| h.c. rudderham general manager of Fremantle Harbour |
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| kristen rudderham Canadian lawyer, CA |
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