Celes is likely related to Celeste or Celesse, from Latin caelestis meaning heavenly.
Celes is most readily understood as a short form of Celeste, from the Latin "caelestis," meaning "heavenly" or "of the sky." Celeste and its variants have been used across Catholic Europe for centuries, often given to children born on feast days associated with the heavens or as a devotional name honoring the divine. The truncated form Celes strips the name down to its essential syllables, giving it a crisp modernity while preserving the celestial meaning intact.
In this it resembles other abbreviated Latinate names — Bea for Beatrice, Cece for Cecelia — that have graduated from nickname to given name in their own right. The name gained unexpected cultural prominence through the video game Final Fantasy VI (1994), in which Celes Chere is a central protagonist — an opera-singing general who defects from an empire and becomes one of the game's most morally complex and emotionally resonant characters. For a generation of players, Celes carries the weight of that character: graceful, powerful, conflicted, and ultimately heroic.
The opera scene featuring Celes is widely considered one of the greatest moments in video game storytelling, ensuring the name a lasting place in gaming memory. Beyond that specific cultural moment, Celes works beautifully as a given name in its own right. It is short and strong, Latin in origin, and carries that quality of the sky and the infinite that has made celestial names perennially appealing. It sits comfortably alongside names like Iris, Luna, and Lyra in the contemporary register of names that look upward for their imagery and meaning.