vintageluvs's list "Noms de l'Opéra" of 20 great name ideas: Khaled - Danilowitz!

Noms de l'Opéra

Men and women of the French Opera. Either operas written in French, written by the French, or translated into French. 

Khaled

Indra

Hérodiade

Hérode

Lescaut

Guillot

Poussette

Javotte

Adhemar

Hélène

Isaure is a feminine French name with ancient origins, possibly derived from the name Isaura, which referred to someone from Isauria, a region in ancient Asia Minor (now part of Turkey). The name has literary connections, appearing in medieval French poetry and troubadour traditions where 'Clémence Isaure' was said to have been a patroness of poetry competitions. Isaure has remained relatively rare even in France, giving it an air of refinement and uniqueness. The name has a delicate, elegant sound typical of classical French names. In contemporary usage, Isaure appeals to parents seeking a name with historical depth, poetic associations, and a distinctively French character.

Isaure

Polyeucte

Serious and sharp, but with a hint of flair, Sévère is a French form of the Latin Severus. It appeared in the French Top 500 a few times in the first half of the 20th century. 

Sévère

Félix

Néarque

Siméon

Just think about those inescapable "sexy" nicknames. The related Sixtus is not a huge improvement.
Sextus was one of a handful of first names used by the ancient Romans, and was often given to a sixth son.

Sextus

Stratonice

Danilowitz