Dashiel Is A Masculine Name Of French Origin. It Is Derived From The French Surname De Chiel, Which Comes From The Word ciel And Means “sky,” “heavenly,” Or “from Heaven.” It Can Be Spelled Multiple Ways, Including Dashiell Or Dashel. The Name Has Become Popular In Recent Years, Hitting Its Peak In 2016. The Most Famous Person With The Name Dashiell Is Rockstar Alice Cooper’s Son, Who Was Born In 1985 And Goes By The Charming Nickname Dash.