The first name Cary is of Welsh, Celtic/Gaelic, Celtic, English, Irish origin. It is often a boy or girl name. It has the following meaning(s):
Welsh: From the Castle. 'Loving.'
Celtic/Gaelic: Pure
Celtic: The Dark One
English: An Alternative Spelling of Carrie. Cary Became a Popular Masculine First Name in Mid-oth Century Because of Actor Cary Grant, Whose Real Name Was Archibald Leach. V: Carey
English: Stream. Cary Became a Popular Masculine First Name in Mid-oth Century Because of Actor Cary Grant, Whose Real Name Was Archibald Leach
Karen(Greek) Pure or Purity; See Catherine (Carin, Caren, Caryn, Karin, Kari, Karyn, Kary, Catherine)
Sheryl(English) Variant of Cheryl: a Variant of Cherry (Influenced by Beryl) or Carys Which Has Been Used Throughout the English-speaking World in the Th Century