esita's list "Names from a Night at the Opera" of 20 great name ideas: Aithra - Erda!

Names from a Night at the Opera

Names of characters and famous opera singers

Aithra

Alzira found its highest degree of popularity in the mid-nineteenth century after Giuseppe Verdi created an opera of the name Alzira, after its romantic heroine. Despite Verdi using the name for a Peruvian princess, Alzira is an arabic name Verdi's opera, despite the name's arabic roots, the name was given to a Peruvian princess. Alzira is also the name of a Spanish city in Valencia.

Alzira

Amneris

Amrou

Araquil

Azucena

Betly

Uncommon choice too reminiscent of "bidet". Try Bridie instead.

Bidu

Brunnhilde

The unusual (to English speakers) name Cendrillon is French for Cinderella, though most Americans wouldn't recognize it as such. This might make an excellent middle name for those who are looking for something rare, whimsical, fantastical, and literary. But you must insist on the lovely French pronunciation — if you're choosing a name this uncommon, why not go all the way.

Cendrillon

Cherubino

Chimene is a feminine name of Spanish and French origin, derived from the Spanish name Jimena. It gained literary recognition through 'El Cid,' the medieval Spanish epic where Jimena/Chimene was the wife of the hero Rodrigo Díaz. The name may have Basque roots, possibly relating to 'semen' meaning 'son' or descendant. While uncommon in English-speaking countries, Chimene has occasional usage in France and Spain. Pronounced 'shee-MEN' or 'chee-MAIN,' the name carries an elegant, literary quality with historical associations to nobility and faithfulness. Its rarity makes it distinctive while its historical connections provide cultural depth.

Chimene

Clarion

Desdemona is as Shakespearean as a name can be, but because the beautiful and innocent wife of Othello came to such a tragic end, her name has been avoided for centuries. But at this point in time, there might be some adventurous parents willing to overlook that.
 Jeffrey Eugenides used the name for a character in his novel Middlesex.
 And for those seeking some celestial cred, Desdemona belongs to the Shakespearean Portia Group of satellites, which also includes Bianca, Cressida, Juliet, Portia, Rosalind, Cupid, Belinda and Perdita.

Desdemona

Devereux

Djamileh

Dorabella

Eboli

Ekimona

Erda is a feminine name with ancient Germanic and Norse roots. In Norse mythology, Erda (or Jörð) was the personification of Earth and the mother of Thor. The name directly translates to 'earth' in Old High German, connecting it deeply with nature and the concept of the Earth goddess found in many Indo-European mythologies. Erda gained some recognition through its appearance in Wagner's Ring Cycle operas, where Erda appears as a primordial earth goddess. The name has always remained rare, particularly in English-speaking countries, though it occasionally appeals to parents drawn to names with mythological significance or nature themes. Erda's brevity gives it a strong, distinctive sound despite its softness.