Family History and Genealogy Resources by Surname

Sinclair Surname Origin

A corruption of St. Clair, and that from St. Clara, from the Latin clarus, pure, renowned, illustrious.

Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.




Sinclair  Surname Meaning and Family Facts

Sinclair Last Name Meaning
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There is more to Sinclair family history than the origin of your surname:

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A Sinclair Family History Thought:

'You live as long as you are remembered.' --Russian Proverb




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