All over the world, Sillman (Sillman 
, Sillmann 
) is an extremely rare boy's first name. Much more prevalently, Sillman is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sillman | Brazil, Sweden, Finland, United States, United Kingdom |
| Sillmann | Brazil, Netherlands, United States, Germany, Australia |
| sewell sillman American artist, professor, colorist, art publisher, US (b. 1924) |
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| sanford sillman researcher, ORCID id # 0000-0001-6250-1191 |
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