sentences:  Variant different spellings include Carley, Carlie, Carlee, Carleigh and Carli, as well as Karly, Karli, Karley, Karlee and Karlie.The name became popular in large part, if not primarily, because of the success of Carly Simon's music in the 1970s - its first appearance in the top 1000 US baby names was in 1973, soon after her first success.It was most popular in the UK, Canada and Australia in the 1980s and in the United States during the 1990s.