French : patronymic from the personal name Clair (see
Clair) or the nickname Leclair (‘the cheerful one’):
(fils) à Leclair ‘(son) of Leclair’. It has also absorbed
cases of Auclerc (from LeClerc).
A bearer of the surname Auclair, from La Rochelle, is recorded in
Charlesbourg in 1679.
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