Cognomen Waterbury (Waterbury 
) , all over the world, is quite a rare family name. The cognomen Waterbury is habitual in the United States, where it is a rare surname, Canada, and New Zealand. Not in comparison with a country's population, it is commonest in the United States, Canada, and Australia.
| VARIANT | COUNTRY |
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| Waterbury | Australia, Germany, Canada, United States, United Kingdom |
| david waterbury (b. 1722) |
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nelson j. waterbury American lawyer, US (b. 1819) |
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| jared bell waterbury author, US (b. 1799) |
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| ezra waterbury (b. 1798) |
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| john c. waterbury American politician, US (b. 1815) |
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lawrence waterbury ii polo player (1877-1943), US (b. 1877) |
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| james montaudevert waterbury, sr. American businessman, US (b. 1851) |
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ruth waterbury (b. 1896) |
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| i. roy waterbury American politician, US (b. 1869) |
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| maurice waterbury American football coach, US (b. 1875) |
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| florence waterbury American artist, 1883- (b. 1883) |
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alexandra waterbury American ballet dancer and model, US (b. 1950) |
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| john waterbury American academic, US (b. 1939) |
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| laura waterbury American actress (1947-2013), US (b. 1947) |
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| steve waterbury American baseball player (1952-2017), US (b. 1952) |
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