Cognomen Silliman (Silliman 
, سيليمان 
) , across the world, is quite a rare surname. The cognomen Silliman is characteristic of the United States, where it is a rare surname, Egypt, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Silliman | Canada, Venezuela, Philippines, United States, United Kingdom |
| سيليمان | Egypt |
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mary silliman American matriarch (1736-1818), US (b. 1736) |
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| nathaniel silliman (b. 1696) |
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| ebenezer silliman (b. 1707) |
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benjamin silliman early American chemist and science educator (1779-1864), US (b. 1779) |
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| samuel cook silliman Connecticut politician, US (b. 1742) |
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benjamin silliman, jr. professor of chemistry, Yale University (1816-1885), US (b. 1816) |
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horace silliman businessperson (1825-1910), US (b. 1825) |
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| benjamin d. silliman American politician, US (b. 1805) |
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| justus m. silliman (b. 1842) |
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ron silliman poet, US (b. 1946) |
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| james w. silliman American politician, US (b. 1905) |
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| frances ernestine silliman American botanist and botanical collector (1906 – 1976), US (b. 1906) |
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| mariana du pont silliman (1911-1992) (b. 1911) |
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| a. cutler silliman US (b. 1922) |
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| scott silliman American political scientist, US (b. 1943) |
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