Where does “Clair” come from?

Clair is an English given name derived from French Claire, from Latin Clara, meaning "bright" or "clear."

Ancestry of “Clair”, step by step

Step	Language	Word	Meaning
1	English	Claire	—
2	French	Claire	—
3	Latin	clara	inflection of clārus: ## nominative/vocative...
4	Latin	clarus	clear, bright; renowned, famous; upstanding,...
5	Proto-Italic	klāzos	—
6	Proto-Indo-European	kelh₁-	to call, cry, summon

Clair — Etymology, Origin & Word History | Etymology Explorer