Surname Tatlock (Tatlock 
) , around the globe, is a rare last name. The last name Tatlock is habitual in the United Kingdom, where it is a rare surname, Canada, and New Zealand. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Canada. Very seldom, Tatlock is the forename as well as the last name.
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| Tatlock | United Kingdom, Canada, Australia, New Zealand, United States |
| eleanor tatlock English poet (1769–1833) (b. 1769) |
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| eleanor tatlock English poet (b. 1799) |
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john strong perry tatlock American literary scholar, US (b. 1876) |
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| robert rattray tatlock (b. 1889) |
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| jean tatlock American activist (1914-1944), US (b. 1914) |
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| alvaro casal tatlock UY (b. 1940) |
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| lynne tatlock (b. 1950) |
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| bill tatlock college basketball player (1953–1956) Yale |
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| zachary tatlock Ph.D. University of California, San Diego 2013 |
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| james thomas tatlock British Royal Navy officer, lieutenant in 1812 |
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| shannon tatlock Canadian curler, CA (b. 1984) |
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