Surname Templeton (Templeton 
) , around the world, is a common cognomen. The cognomen Templeton is habitual in Reunion, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Much less frequently, Templeton is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Templeton | Australia, Canada, United States, United Kingdom, South Africa |
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robert templeton Irish entomologist, GB (b. 1802) |
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| louisa templeton (born 1801) (b. 1801) |
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| james templeton carpet manufacturer (b. 1802) |
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| john templeton British opera singer, GB (b. 1802) |
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| john templeton Templeton, James (1802–1885), carpet manufacturer (b. 1802) |
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william templeton Canadian mayor, CA (b. 1853) |
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| charles templeton English cricketer (1806-1834) (b. 1806) |
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fay templeton American actress and singer (1865-1939), US (b. 1865) |
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thomas w. templeton American politician (1867-1935), US (b. 1867) |
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charles a. templeton American politician (1871–1955), US (b. 1871) |
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| william templeton (1828-1890) public servant and company director (b. 1828) |
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templeton crocker American patron and collector 1884-1948, US (b. 1884) |
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| john montgomery templeton Australian businessman, AU (b. 1840) |
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| columbus templeton (b. 1830) |
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| robert templeton (b. 1831) |
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