Myrecord27's list "Sun Moon and Star Names" of 2 great name ideas: Callista - Miray!

Sun Moon and Star Names

Names inspired by the universe and night sky including names from planets, constellation, stars and moons

Calista Flockhart spotlighted this lovely Greek name that has a long future in the English-speaking world.  Kallista is another spelling; Calixta and Calixto are related.

Callista

Very popular in its native Turkey (Top 20 since 2014), this beautiful, celestial name has international appeal. The meaning of Miray is occasionally debated, with "shining like the moon" as one interpretation and "commander of the moonlight" being another. 