Last name Triplett (Triplett 
) , worldwide, is a common cognomen. The family name Triplett is habitual in the United States, where it is quite a rare surname, Australia, and New Zealand, where it is a rare surname. In absolute terms, it is commonest in the United States, Australia, and Canada.
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| Triplett | United Kingdom, Japan, Canada, Australia, United States |
| thomas triplett English churchman and teacher (b. 1602) |
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| philip triplett American politician (1799-1852), US (b. 1799) |
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| george washington triplett Confederate Army officer and american politician, US (b. 1809) |
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norman triplett American psychologist, US (b. 1861) |
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samuel triplett United States Navy Medal of Honor recipient (1869-1957), US (b. 1869) |
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| william h. triplett author and physician (b. 1836) |
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| mose triplett soldier for both the Confederacy and Union in the American Civil War, US (b. 1846) |
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| henry franklin triplett US political thinker and author (1854-1928), US (b. 1854) |
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coaker triplett American baseball player, US (b. 1911) |
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donald triplett first person to be diagnosed with autism, US (b. 1933) |
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| frank triplett Australian rules footballer, AU (b. 1885) |
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| norman triplett American baseball player (1892-1918) (b. 1892) |
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| ernie triplett American racing driver, US (b. 1906) |
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kirk triplett American professional golfer, US (b. 1962) |
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| bennie s. triplett VIAF[58256720] LCAuth[n91057815] (b. 1929) |
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