80%RatingSave Gender Masculine & Feminine Usage English (Rare) Pronounced Pron. /sɪn.ˈklɛɹ/ [key·simplify] Meaning & HistoryExpand Links From a Scottish surname that was derived from a Norman French town called "Saint Clair". A notable bearer was the American author Sinclair Lewis (1885-1951). Related Names RootSinclair (surname) People think this name isRate·Details classic mature formal upper class wholesome strong refined strange complex serious Categories Alan Wake characters, authors, cat names, place names, rare English, Squishmallows, surnames, writers