Family name Trumbo (Trumbo 
) , in the entire world, is quite a rare surname. The last name Trumbo is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Indonesia, and Canada.
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| Trumbo | Canada, United States, New Zealand, India, Indonesia |
| andrew trumbo American politician (1797-1871), US (b. 1797) |
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| george b. trumbo American politician, US (b. 1837) |
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| frank trumbo American politician, US (b. 1850) |
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dalton trumbo American screenwriter and novelist (1905-1976), US (b. 1905) |
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| isaac trumbo American businessman, US (b. 1858) |
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steve trumbo American basketball player, US (b. 1960) |
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mark trumbo American baseball player, US (b. 1986) |
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| nikola trumbo (1939-2018), US (b. 1939) |
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| bill trumbo American basketball player, coach, and athletics director, US (b. 1939) |
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| christopher trumbo American screenwriter, US (b. 1940) |
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| malfourd w. trumbo American politician, US (b. 1954) |
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| trey trumbo college basketball player (1976–1977) Arkansas |
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| john trumbo politician |
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| evalynn m trumbo researcher |
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| bruce trumbo statistician |
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