All around the world, Sinclair (Sinclair 
, סינקלייר 
, Синклер 
) is quite a rare mostly masculine, but infrequently girly first name. The given name Sinclair is characteristic of Cameroon, where it is quite a rare boy's name, Barbados, and Jamaica. Measured by absolute frequency, it is commonest in Cameroon, the United States, and the Democratic Republic of the Congo. More prevalently, Sinclair is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sinclair | Australia, Jamaica, Canada, United States, United Kingdom |
| סינקלייר | Israel |
| Синклер | Russia |
| Сінклер | Ukraine |
St. Claire, Синцлаир, and ซินแคลร์
Sinclair is also a name for the fictitious and mythical characters: .
| sir james sinclair, 2nd of murkle (born 1598) (b. 1598) |
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| archibald sinclair (1801-1859) (b. 1801) |
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upton sinclair American novelist, writer, journalist, political activist, US (b. 1878) |
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archibald sinclair, 1st viscount thurso British politician (1890-1970), GB (b. 1890) |
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| duncan sinclair (b. 1839) |
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| archibald sinclair British journalist (b. 1866) |
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| duncan james sinclair Canadian politician, CA (b. 1867) |
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| duncan sinclair Canadian politician, CA (b. 1869) |
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| sir kenneth duncan lecky sinclair Peerage person ID=242698 (b. 1889) |
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| maynard sinclair Northern Irish politician (1896-1953), GB (b. 1896) |
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murray sinclair former Canadian Senetor., CA (b. 1951) |
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| walton b. sinclair (b. 1900) |
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ross sinclair British artist, GB (b. 1966) |
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ashraf sinclair Malaysian actor (1979-2020), ID (b. 1979) |
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eon sinclair Canadian musician |
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