The name Leonore is a girl's name of German origin. Leonore and discussed in our forums with posts like "List 5 middles".
From the experts:
Leonore is a melodic variation of the wide range of names related to Eleanor and, via a different root, Leonie that are so stylish throughout Europe right now and bound for greater visibility in the U.S. The name of one of the little princesses of Sweden, Leonore carries the gravity of Eleanor with more quirky charm.