Sinclair Family History
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Sinclair Name Meaning
Scottish (of Norman origin): name of a powerful Scottish clan, originally a habitational name from Saint-Clair-sur-Elle in La Manche or Saint-Clair-l’Évêque in Calvados, so called from the dedication of their churches to St. Clarus (see Clare 3). Jewish: Americanized form of some like-sounding Ashkenazic Jewish surname.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: St. Clair, Silber, Mindlin, Sinai, Fincham, Sinisi, Clair, Boisclair