Last name Watrous (Watrous 
) , in the entire world, is quite a rare family name. The cognomen Watrous is habitual in the United States, where it is a rare surname, Greece, and Canada, where it is a very rare surname.
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| Watrous | Greece, United Kingdom, Canada, United States, Venezuela |
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jerome anthony watrous American politician, US (b. 1840) |
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| john charles watrous United States federal judge, US (b. 1801) |
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harry watrous American painter, US (b. 1857) |
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| william frisbie watrous 19th century American politician (b. 1825) |
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| ansel watrous American historian, US (b. 1835) |
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al watrous professional golfer (1899-1983), US (b. 1899) |
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| ralph watrous American politician (1866-1939), US (b. 1866) |
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bill watrous American trombonist, US (b. 1939) |
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| james watrous American painter, US (b. 1908) |
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| gilbert a. watrous American artist (born 1919), US (b. 1919) |
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john watrous Theoretical computer scientist, CA |
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| l. vance watrous American archaeologist, US (b. 1943) |
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| fran watrous college basketball player (1953–1957) Murray State |
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| richard watrous college basketball player (1951–1951) Connecticut |
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| andrew j watrous researcher |
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