79%RatingSave Gender Masculine & Feminine Usage English (Rare) Pronounced Pron. sin-KLEHR [key·IPA] Expand LinksMeaning & History From a surname that was derived from a Norman French town called "Saint CLAIR". A notable bearer was the American author Sinclair Lewis (1885-1951). Rate·DetailsPeople think this name is classic mature formal upper class urban wholesome strong refined strange complex serious nerdy Categories Alan Wake characters, authors, place names, rare English, surnames, unisex Entry updated May 29, 2020 ·