Karlie is a spelling of Carly, the feminine pet form of Carl or Charles, which goes back to the Germanic karl and means "free man" or "free woman". The singer Carly Simon made the name familiar in the 1970s, and the supermodel Karlie Kloss has carried the K spelling since the 2010s. Karlie ranked number 670 in 2000, peaked at number 617 in 2004 and has drifted out of the top 1000 to number 2179 in 2025.