Family name Kellar (Kellar 
, Келлар) , in all the world, is quite a common last name. The last name Kellar is habitual in Trinidad and Tobago, where it is quite a rare surname, Canada, and the United States. Measured by absolute frequency, it most frequently occurs in the United States, Canada, and Australia. Very seldom, Kellar is the forename as well as the last name.
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| Kellar | United Kingdom, Australia, United States, Myanmar, Canada |
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harry kellar American magician, US (b. 1849) |
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| andrew jackson kellar American politician, US (b. 1835) |
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terry kellar American boxer (b. 1890) |
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| george c. kellar American politician (1879-1954), US (b. 1879) |
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| herbert anthony kellar (b. 1887) |
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| kenneth c. kellar American politician, US (b. 1906) |
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| charles kellar American attorney and civil rights leader (1909-2002), US (b. 1909) |
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becky kellar Canadian women's ice hockey player, CA (b. 1975) |
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| jaroslav antonín kellar CZ (b. 1924) |
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| jeff kellar artist (b. 1949) |
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| mark kellar American football player, US (b. 1952) |
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| bill kellar American-football player (1956-), US (b. 1956) |
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| elizabeth k. kellar (b. 1948) |
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| scott kellar American-football player (1963-), US (b. 1963) |
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| azikiwe kellar Trinidad and Tobago cyclist, TT (b. 1976) |
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