Its mellifluous sound makes Leonora--which has a rich history and a tie to the popular Leo names-- a keen possibility for revival.
Leonora has the distinction of being three major opera characters, including the heroines of Beethoven's Fidelio and Verdi's Il Trovatore. It was also the name of two characters played by Elizabeth Taylor--in Secret Ceremony and Reflections in a Golden Eye
Leonora Carrington was a notorious British-born surrealist artist and writer who lived most of her life in Mexico.
Related names include Leonore, Lenora and Lenore, subject of a famous Edgar Allan Poe poem.