Surname Laffoon (Laffoon 
) , around the world, is quite a rare last name. The cognomen Laffoon is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and Mexico.
| VARIANT | COUNTRY |
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| Laffoon | United Kingdom, Mexico, Colombia, United States, Canada |
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polk laffoon U.S. Representative from Kentucky (1844-1906), US (b. 1844) |
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ruby laffoon American politician, US (b. 1869) |
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| reuben laffoon American lawyer (b. 1854) |
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| jean l. laffoon entomologist (1922-1973) (b. 1922) |
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| jason laffoon researcher ORCID ID = 0000-0002-8821-805X |
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