sinclair M

latin
CLàRUS > SAINT-CLAIR > SINCLAIR

from a surname which was derived from a norman french town called "saint clair". saint-clair-sur-elle in la manche; saint-clair-l'eveque in calvados, and st. clare in the arrondissement of pont d'eveque, so called from the dedication of their churches to st. clarus. the middle english and old french female given name "clair", which derives from the latin "clara", itself coming from "clàrus".

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sinclair M English